--- /dev/null
+/*
+ * pc87360.c - Part of lm_sensors, Linux kernel modules
+ * for hardware monitoring
+ * Copyright (C) 2004 Jean Delvare <khali@linux-fr.org>
+ *
+ * Copied from smsc47m1.c:
+ * Copyright (C) 2002 Mark D. Studebaker <mdsxyz123@yahoo.com>
+ *
+ * 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.
+ *
+ * Supports the following chips:
+ *
+ * Chip #vin #fan #pwm #temp devid
+ * PC87360 - 2 2 - 0xE1
+ * PC87363 - 2 2 - 0xE8
+ * PC87364 - 3 3 - 0xE4
+ * PC87365 11 3 3 2 0xE5
+ * PC87366 11 3 3 3-4 0xE9
+ *
+ * This driver assumes that no more than one chip is present, and one of
+ * the standard Super-I/O addresses is used (0x2E/0x2F or 0x4E/0x4F).
+ */
+
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/slab.h>
+#include <linux/jiffies.h>
+#include <linux/i2c.h>
+#include <linux/i2c-isa.h>
+#include <linux/hwmon.h>
+#include <linux/hwmon-sysfs.h>
+#include <linux/hwmon-vid.h>
+#include <linux/err.h>
+#include <linux/mutex.h>
+#include <asm/io.h>
+
+static u8 devid;
+static unsigned short address;
+static unsigned short extra_isa[3];
+static u8 confreg[4];
+
+enum chips { any_chip, pc87360, pc87363, pc87364, pc87365, pc87366 };
+
+static int init = 1;
+module_param(init, int, 0);
+MODULE_PARM_DESC(init,
+ "Chip initialization level:\n"
+ " 0: None\n"
+ "*1: Forcibly enable internal voltage and temperature channels, except in9\n"
+ " 2: Forcibly enable all voltage and temperature channels, except in9\n"
+ " 3: Forcibly enable all voltage and temperature channels, including in9");
+
+/*
+ * Super-I/O registers and operations
+ */
+
+#define DEV 0x07 /* Register: Logical device select */
+#define DEVID 0x20 /* Register: Device ID */
+#define ACT 0x30 /* Register: Device activation */
+#define BASE 0x60 /* Register: Base address */
+
+#define FSCM 0x09 /* Logical device: fans */
+#define VLM 0x0d /* Logical device: voltages */
+#define TMS 0x0e /* Logical device: temperatures */
+static const u8 logdev[3] = { FSCM, VLM, TMS };
+
+#define LD_FAN 0
+#define LD_IN 1
+#define LD_TEMP 2
+
+static inline void superio_outb(int sioaddr, int reg, int val)
+{
+ outb(reg, sioaddr);
+ outb(val, sioaddr+1);
+}
+
+static inline int superio_inb(int sioaddr, int reg)
+{
+ outb(reg, sioaddr);
+ return inb(sioaddr+1);
+}
+
+static inline void superio_exit(int sioaddr)
+{
+ outb(0x02, sioaddr);
+ outb(0x02, sioaddr+1);
+}
+
+/*
+ * Logical devices
+ */
+
+#define PC87360_EXTENT 0x10
+#define PC87365_REG_BANK 0x09
+#define NO_BANK 0xff
+
+/*
+ * Fan registers and conversions
+ */
+
+/* nr has to be 0 or 1 (PC87360/87363) or 2 (PC87364/87365/87366) */
+#define PC87360_REG_PRESCALE(nr) (0x00 + 2 * (nr))
+#define PC87360_REG_PWM(nr) (0x01 + 2 * (nr))
+#define PC87360_REG_FAN_MIN(nr) (0x06 + 3 * (nr))
+#define PC87360_REG_FAN(nr) (0x07 + 3 * (nr))
+#define PC87360_REG_FAN_STATUS(nr) (0x08 + 3 * (nr))
+
+#define FAN_FROM_REG(val,div) ((val) == 0 ? 0: \
+ 480000 / ((val)*(div)))
+#define FAN_TO_REG(val,div) ((val) <= 100 ? 0 : \
+ 480000 / ((val)*(div)))
+#define FAN_DIV_FROM_REG(val) (1 << ((val >> 5) & 0x03))
+#define FAN_STATUS_FROM_REG(val) ((val) & 0x07)
+
+#define FAN_CONFIG_MONITOR(val,nr) (((val) >> (2 + nr * 3)) & 1)
+#define FAN_CONFIG_CONTROL(val,nr) (((val) >> (3 + nr * 3)) & 1)
+#define FAN_CONFIG_INVERT(val,nr) (((val) >> (4 + nr * 3)) & 1)
+
+#define PWM_FROM_REG(val,inv) ((inv) ? 255 - (val) : (val))
+static inline u8 PWM_TO_REG(int val, int inv)
+{
+ if (inv)
+ val = 255 - val;
+ if (val < 0)
+ return 0;
+ if (val > 255)
+ return 255;
+ return val;
+}
+
+/*
+ * Voltage registers and conversions
+ */
+
+#define PC87365_REG_IN_CONVRATE 0x07
+#define PC87365_REG_IN_CONFIG 0x08
+#define PC87365_REG_IN 0x0B
+#define PC87365_REG_IN_MIN 0x0D
+#define PC87365_REG_IN_MAX 0x0C
+#define PC87365_REG_IN_STATUS 0x0A
+#define PC87365_REG_IN_ALARMS1 0x00
+#define PC87365_REG_IN_ALARMS2 0x01
+#define PC87365_REG_VID 0x06
+
+#define IN_FROM_REG(val,ref) (((val) * (ref) + 128) / 256)
+#define IN_TO_REG(val,ref) ((val) < 0 ? 0 : \
+ (val)*256 >= (ref)*255 ? 255: \
+ ((val) * 256 + (ref)/2) / (ref))
+
+/*
+ * Temperature registers and conversions
+ */
+
+#define PC87365_REG_TEMP_CONFIG 0x08
+#define PC87365_REG_TEMP 0x0B
+#define PC87365_REG_TEMP_MIN 0x0D
+#define PC87365_REG_TEMP_MAX 0x0C
+#define PC87365_REG_TEMP_CRIT 0x0E
+#define PC87365_REG_TEMP_STATUS 0x0A
+#define PC87365_REG_TEMP_ALARMS 0x00
+
+#define TEMP_FROM_REG(val) ((val) * 1000)
+#define TEMP_TO_REG(val) ((val) < -55000 ? -55 : \
+ (val) > 127000 ? 127 : \
+ (val) < 0 ? ((val) - 500) / 1000 : \
+ ((val) + 500) / 1000)
+
+/*
+ * Client data (each client gets its own)
+ */
+
+struct pc87360_data {
+ struct i2c_client client;
+ struct class_device *class_dev;
+ struct mutex lock;
+ struct mutex update_lock;
+ char valid; /* !=0 if following fields are valid */
+ unsigned long last_updated; /* In jiffies */
+
+ int address[3];
+
+ u8 fannr, innr, tempnr;
+
+ u8 fan[3]; /* Register value */
+ u8 fan_min[3]; /* Register value */
+ u8 fan_status[3]; /* Register value */
+ u8 pwm[3]; /* Register value */
+ u16 fan_conf; /* Configuration register values, combined */
+
+ u16 in_vref; /* 1 mV/bit */
+ u8 in[14]; /* Register value */
+ u8 in_min[14]; /* Register value */
+ u8 in_max[14]; /* Register value */
+ u8 in_crit[3]; /* Register value */
+ u8 in_status[14]; /* Register value */
+ u16 in_alarms; /* Register values, combined, masked */
+ u8 vid_conf; /* Configuration register value */
+ u8 vrm;
+ u8 vid; /* Register value */
+
+ s8 temp[3]; /* Register value */
+ s8 temp_min[3]; /* Register value */
+ s8 temp_max[3]; /* Register value */
+ s8 temp_crit[3]; /* Register value */
+ u8 temp_status[3]; /* Register value */
+ u8 temp_alarms; /* Register value, masked */
+};
+
+/*
+ * Functions declaration
+ */
+
+static int pc87360_detect(struct i2c_adapter *adapter);
+static int pc87360_detach_client(struct i2c_client *client);
+
+static int pc87360_read_value(struct pc87360_data *data, u8 ldi, u8 bank,
+ u8 reg);
+static void pc87360_write_value(struct pc87360_data *data, u8 ldi, u8 bank,
+ u8 reg, u8 value);
+static void pc87360_init_client(struct i2c_client *client, int use_thermistors);
+static struct pc87360_data *pc87360_update_device(struct device *dev);
+
+/*
+ * Driver data (common to all clients)
+ */
+
+static struct i2c_driver pc87360_driver = {
+ .driver = {
+ .name = "pc87360",
+ },
+ .attach_adapter = pc87360_detect,
+ .detach_client = pc87360_detach_client,
+};
+
+/*
+ * Sysfs stuff
+ */
+
+static ssize_t show_fan_input(struct device *dev, struct device_attribute *devattr, char *buf)
+{
+ struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
+ struct pc87360_data *data = pc87360_update_device(dev);
+ return sprintf(buf, "%u\n", FAN_FROM_REG(data->fan[attr->index],
+ FAN_DIV_FROM_REG(data->fan_status[attr->index])));
+}
+static ssize_t show_fan_min(struct device *dev, struct device_attribute *devattr, char *buf)
+{
+ struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
+ struct pc87360_data *data = pc87360_update_device(dev);
+ return sprintf(buf, "%u\n", FAN_FROM_REG(data->fan_min[attr->index],
+ FAN_DIV_FROM_REG(data->fan_status[attr->index])));
+}
+static ssize_t show_fan_div(struct device *dev, struct device_attribute *devattr, char *buf)
+{
+ struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
+ struct pc87360_data *data = pc87360_update_device(dev);
+ return sprintf(buf, "%u\n",
+ FAN_DIV_FROM_REG(data->fan_status[attr->index]));
+}
+static ssize_t show_fan_status(struct device *dev, struct device_attribute *devattr, char *buf)
+{
+ struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
+ struct pc87360_data *data = pc87360_update_device(dev);
+ return sprintf(buf, "%u\n",
+ FAN_STATUS_FROM_REG(data->fan_status[attr->index]));
+}
+static ssize_t set_fan_min(struct device *dev, struct device_attribute *devattr, const char *buf,
+ size_t count)
+{
+ struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
+ struct i2c_client *client = to_i2c_client(dev);
+ struct pc87360_data *data = i2c_get_clientdata(client);
+ long fan_min = simple_strtol(buf, NULL, 10);
+
+ mutex_lock(&data->update_lock);
+ fan_min = FAN_TO_REG(fan_min, FAN_DIV_FROM_REG(data->fan_status[attr->index]));
+
+ /* If it wouldn't fit, change clock divisor */
+ while (fan_min > 255
+ && (data->fan_status[attr->index] & 0x60) != 0x60) {
+ fan_min >>= 1;
+ data->fan[attr->index] >>= 1;
+ data->fan_status[attr->index] += 0x20;
+ }
+ data->fan_min[attr->index] = fan_min > 255 ? 255 : fan_min;
+ pc87360_write_value(data, LD_FAN, NO_BANK, PC87360_REG_FAN_MIN(attr->index),
+ data->fan_min[attr->index]);
+
+ /* Write new divider, preserve alarm bits */
+ pc87360_write_value(data, LD_FAN, NO_BANK, PC87360_REG_FAN_STATUS(attr->index),
+ data->fan_status[attr->index] & 0xF9);
+ mutex_unlock(&data->update_lock);
+
+ return count;
+}
+
+static struct sensor_device_attribute fan_input[] = {
+ SENSOR_ATTR(fan1_input, S_IRUGO, show_fan_input, NULL, 0),
+ SENSOR_ATTR(fan2_input, S_IRUGO, show_fan_input, NULL, 1),
+ SENSOR_ATTR(fan3_input, S_IRUGO, show_fan_input, NULL, 2),
+};
+static struct sensor_device_attribute fan_status[] = {
+ SENSOR_ATTR(fan1_status, S_IRUGO, show_fan_status, NULL, 0),
+ SENSOR_ATTR(fan2_status, S_IRUGO, show_fan_status, NULL, 1),
+ SENSOR_ATTR(fan3_status, S_IRUGO, show_fan_status, NULL, 2),
+};
+static struct sensor_device_attribute fan_div[] = {
+ SENSOR_ATTR(fan1_div, S_IRUGO, show_fan_div, NULL, 0),
+ SENSOR_ATTR(fan2_div, S_IRUGO, show_fan_div, NULL, 1),
+ SENSOR_ATTR(fan3_div, S_IRUGO, show_fan_div, NULL, 2),
+};
+static struct sensor_device_attribute fan_min[] = {
+ SENSOR_ATTR(fan1_min, S_IWUSR | S_IRUGO, show_fan_min, set_fan_min, 0),
+ SENSOR_ATTR(fan2_min, S_IWUSR | S_IRUGO, show_fan_min, set_fan_min, 1),
+ SENSOR_ATTR(fan3_min, S_IWUSR | S_IRUGO, show_fan_min, set_fan_min, 2),
+};
+
+static ssize_t show_pwm(struct device *dev, struct device_attribute *devattr, char *buf)
+{
+ struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
+ struct pc87360_data *data = pc87360_update_device(dev);
+ return sprintf(buf, "%u\n",
+ PWM_FROM_REG(data->pwm[attr->index],
+ FAN_CONFIG_INVERT(data->fan_conf,
+ attr->index)));
+}
+static ssize_t set_pwm(struct device *dev, struct device_attribute *devattr, const char *buf,
+ size_t count)
+{
+ struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
+ struct i2c_client *client = to_i2c_client(dev);
+ struct pc87360_data *data = i2c_get_clientdata(client);
+ long val = simple_strtol(buf, NULL, 10);
+
+ mutex_lock(&data->update_lock);
+ data->pwm[attr->index] = PWM_TO_REG(val,
+ FAN_CONFIG_INVERT(data->fan_conf, attr->index));
+ pc87360_write_value(data, LD_FAN, NO_BANK, PC87360_REG_PWM(attr->index),
+ data->pwm[attr->index]);
+ mutex_unlock(&data->update_lock);
+ return count;
+}
+
+static struct sensor_device_attribute pwm[] = {
+ SENSOR_ATTR(pwm1, S_IWUSR | S_IRUGO, show_pwm, set_pwm, 0),
+ SENSOR_ATTR(pwm2, S_IWUSR | S_IRUGO, show_pwm, set_pwm, 1),
+ SENSOR_ATTR(pwm3, S_IWUSR | S_IRUGO, show_pwm, set_pwm, 2),
+};
+
+static ssize_t show_in_input(struct device *dev, struct device_attribute *devattr, char *buf)
+{
+ struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
+ struct pc87360_data *data = pc87360_update_device(dev);
+ return sprintf(buf, "%u\n", IN_FROM_REG(data->in[attr->index],
+ data->in_vref));
+}
+static ssize_t show_in_min(struct device *dev, struct device_attribute *devattr, char *buf)
+{
+ struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
+ struct pc87360_data *data = pc87360_update_device(dev);
+ return sprintf(buf, "%u\n", IN_FROM_REG(data->in_min[attr->index],
+ data->in_vref));
+}
+static ssize_t show_in_max(struct device *dev, struct device_attribute *devattr, char *buf)
+{
+ struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
+ struct pc87360_data *data = pc87360_update_device(dev);
+ return sprintf(buf, "%u\n", IN_FROM_REG(data->in_max[attr->index],
+ data->in_vref));
+}
+static ssize_t show_in_status(struct device *dev, struct device_attribute *devattr, char *buf)
+{
+ struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
+ struct pc87360_data *data = pc87360_update_device(dev);
+ return sprintf(buf, "%u\n", data->in_status[attr->index]);
+}
+static ssize_t set_in_min(struct device *dev, struct device_attribute *devattr, const char *buf,
+ size_t count)
+{
+ struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
+ struct i2c_client *client = to_i2c_client(dev);
+ struct pc87360_data *data = i2c_get_clientdata(client);
+ long val = simple_strtol(buf, NULL, 10);
+
+ mutex_lock(&data->update_lock);
+ data->in_min[attr->index] = IN_TO_REG(val, data->in_vref);
+ pc87360_write_value(data, LD_IN, attr->index, PC87365_REG_IN_MIN,
+ data->in_min[attr->index]);
+ mutex_unlock(&data->update_lock);
+ return count;
+}
+static ssize_t set_in_max(struct device *dev, struct device_attribute *devattr, const char *buf,
+ size_t count)
+{
+ struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
+ struct i2c_client *client = to_i2c_client(dev);
+ struct pc87360_data *data = i2c_get_clientdata(client);
+ long val = simple_strtol(buf, NULL, 10);
+
+ mutex_lock(&data->update_lock);
+ data->in_max[attr->index] = IN_TO_REG(val,
+ data->in_vref);
+ pc87360_write_value(data, LD_IN, attr->index, PC87365_REG_IN_MAX,
+ data->in_max[attr->index]);
+ mutex_unlock(&data->update_lock);
+ return count;
+}
+
+static struct sensor_device_attribute in_input[] = {
+ SENSOR_ATTR(in0_input, S_IRUGO, show_in_input, NULL, 0),
+ SENSOR_ATTR(in1_input, S_IRUGO, show_in_input, NULL, 1),
+ SENSOR_ATTR(in2_input, S_IRUGO, show_in_input, NULL, 2),
+ SENSOR_ATTR(in3_input, S_IRUGO, show_in_input, NULL, 3),
+ SENSOR_ATTR(in4_input, S_IRUGO, show_in_input, NULL, 4),
+ SENSOR_ATTR(in5_input, S_IRUGO, show_in_input, NULL, 5),
+ SENSOR_ATTR(in6_input, S_IRUGO, show_in_input, NULL, 6),
+ SENSOR_ATTR(in7_input, S_IRUGO, show_in_input, NULL, 7),
+ SENSOR_ATTR(in8_input, S_IRUGO, show_in_input, NULL, 8),
+ SENSOR_ATTR(in9_input, S_IRUGO, show_in_input, NULL, 9),
+ SENSOR_ATTR(in10_input, S_IRUGO, show_in_input, NULL, 10),
+};
+static struct sensor_device_attribute in_status[] = {
+ SENSOR_ATTR(in0_status, S_IRUGO, show_in_status, NULL, 0),
+ SENSOR_ATTR(in1_status, S_IRUGO, show_in_status, NULL, 1),
+ SENSOR_ATTR(in2_status, S_IRUGO, show_in_status, NULL, 2),
+ SENSOR_ATTR(in3_status, S_IRUGO, show_in_status, NULL, 3),
+ SENSOR_ATTR(in4_status, S_IRUGO, show_in_status, NULL, 4),
+ SENSOR_ATTR(in5_status, S_IRUGO, show_in_status, NULL, 5),
+ SENSOR_ATTR(in6_status, S_IRUGO, show_in_status, NULL, 6),
+ SENSOR_ATTR(in7_status, S_IRUGO, show_in_status, NULL, 7),
+ SENSOR_ATTR(in8_status, S_IRUGO, show_in_status, NULL, 8),
+ SENSOR_ATTR(in9_status, S_IRUGO, show_in_status, NULL, 9),
+ SENSOR_ATTR(in10_status, S_IRUGO, show_in_status, NULL, 10),
+};
+static struct sensor_device_attribute in_min[] = {
+ SENSOR_ATTR(in0_min, S_IWUSR | S_IRUGO, show_in_min, set_in_min, 0),
+ SENSOR_ATTR(in1_min, S_IWUSR | S_IRUGO, show_in_min, set_in_min, 1),
+ SENSOR_ATTR(in2_min, S_IWUSR | S_IRUGO, show_in_min, set_in_min, 2),
+ SENSOR_ATTR(in3_min, S_IWUSR | S_IRUGO, show_in_min, set_in_min, 3),
+ SENSOR_ATTR(in4_min, S_IWUSR | S_IRUGO, show_in_min, set_in_min, 4),
+ SENSOR_ATTR(in5_min, S_IWUSR | S_IRUGO, show_in_min, set_in_min, 5),
+ SENSOR_ATTR(in6_min, S_IWUSR | S_IRUGO, show_in_min, set_in_min, 6),
+ SENSOR_ATTR(in7_min, S_IWUSR | S_IRUGO, show_in_min, set_in_min, 7),
+ SENSOR_ATTR(in8_min, S_IWUSR | S_IRUGO, show_in_min, set_in_min, 8),
+ SENSOR_ATTR(in9_min, S_IWUSR | S_IRUGO, show_in_min, set_in_min, 9),
+ SENSOR_ATTR(in10_min, S_IWUSR | S_IRUGO, show_in_min, set_in_min, 10),
+};
+static struct sensor_device_attribute in_max[] = {
+ SENSOR_ATTR(in0_max, S_IWUSR | S_IRUGO, show_in_max, set_in_max, 0),
+ SENSOR_ATTR(in1_max, S_IWUSR | S_IRUGO, show_in_max, set_in_max, 1),
+ SENSOR_ATTR(in2_max, S_IWUSR | S_IRUGO, show_in_max, set_in_max, 2),
+ SENSOR_ATTR(in3_max, S_IWUSR | S_IRUGO, show_in_max, set_in_max, 3),
+ SENSOR_ATTR(in4_max, S_IWUSR | S_IRUGO, show_in_max, set_in_max, 4),
+ SENSOR_ATTR(in5_max, S_IWUSR | S_IRUGO, show_in_max, set_in_max, 5),
+ SENSOR_ATTR(in6_max, S_IWUSR | S_IRUGO, show_in_max, set_in_max, 6),
+ SENSOR_ATTR(in7_max, S_IWUSR | S_IRUGO, show_in_max, set_in_max, 7),
+ SENSOR_ATTR(in8_max, S_IWUSR | S_IRUGO, show_in_max, set_in_max, 8),
+ SENSOR_ATTR(in9_max, S_IWUSR | S_IRUGO, show_in_max, set_in_max, 9),
+ SENSOR_ATTR(in10_max, S_IWUSR | S_IRUGO, show_in_max, set_in_max, 10),
+};
+
+static ssize_t show_therm_input(struct device *dev, struct device_attribute *devattr, char *buf)
+{
+ struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
+ struct pc87360_data *data = pc87360_update_device(dev);
+ return sprintf(buf, "%u\n", IN_FROM_REG(data->in[attr->index],
+ data->in_vref));
+}
+static ssize_t show_therm_min(struct device *dev, struct device_attribute *devattr, char *buf)
+{
+ struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
+ struct pc87360_data *data = pc87360_update_device(dev);
+ return sprintf(buf, "%u\n", IN_FROM_REG(data->in_min[attr->index],
+ data->in_vref));
+}
+static ssize_t show_therm_max(struct device *dev, struct device_attribute *devattr, char *buf)
+{
+ struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
+ struct pc87360_data *data = pc87360_update_device(dev);
+ return sprintf(buf, "%u\n", IN_FROM_REG(data->in_max[attr->index],
+ data->in_vref));
+}
+static ssize_t show_therm_crit(struct device *dev, struct device_attribute *devattr, char *buf)
+{
+ struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
+ struct pc87360_data *data = pc87360_update_device(dev);
+ return sprintf(buf, "%u\n", IN_FROM_REG(data->in_crit[attr->index-11],
+ data->in_vref));
+}
+static ssize_t show_therm_status(struct device *dev, struct device_attribute *devattr, char *buf)
+{
+ struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
+ struct pc87360_data *data = pc87360_update_device(dev);
+ return sprintf(buf, "%u\n", data->in_status[attr->index]);
+}
+static ssize_t set_therm_min(struct device *dev, struct device_attribute *devattr, const char *buf,
+ size_t count)
+{
+ struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
+ struct i2c_client *client = to_i2c_client(dev);
+ struct pc87360_data *data = i2c_get_clientdata(client);
+ long val = simple_strtol(buf, NULL, 10);
+
+ mutex_lock(&data->update_lock);
+ data->in_min[attr->index] = IN_TO_REG(val, data->in_vref);
+ pc87360_write_value(data, LD_IN, attr->index, PC87365_REG_TEMP_MIN,
+ data->in_min[attr->index]);
+ mutex_unlock(&data->update_lock);
+ return count;
+}
+static ssize_t set_therm_max(struct device *dev, struct device_attribute *devattr, const char *buf,
+ size_t count)
+{
+ struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
+ struct i2c_client *client = to_i2c_client(dev);
+ struct pc87360_data *data = i2c_get_clientdata(client);
+ long val = simple_strtol(buf, NULL, 10);
+
+ mutex_lock(&data->update_lock);
+ data->in_max[attr->index] = IN_TO_REG(val, data->in_vref);
+ pc87360_write_value(data, LD_IN, attr->index, PC87365_REG_TEMP_MAX,
+ data->in_max[attr->index]);
+ mutex_unlock(&data->update_lock);
+ return count;
+}
+static ssize_t set_therm_crit(struct device *dev, struct device_attribute *devattr, const char *buf,
+ size_t count)
+{
+ struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
+ struct i2c_client *client = to_i2c_client(dev);
+ struct pc87360_data *data = i2c_get_clientdata(client);
+ long val = simple_strtol(buf, NULL, 10);
+
+ mutex_lock(&data->update_lock);
+ data->in_crit[attr->index-11] = IN_TO_REG(val, data->in_vref);
+ pc87360_write_value(data, LD_IN, attr->index, PC87365_REG_TEMP_CRIT,
+ data->in_crit[attr->index-11]);
+ mutex_unlock(&data->update_lock);
+ return count;
+}
+
+/* the +11 term below reflects the fact that VLM units 11,12,13 are
+ used in the chip to measure voltage across the thermistors
+*/
+static struct sensor_device_attribute therm_input[] = {
+ SENSOR_ATTR(temp4_input, S_IRUGO, show_therm_input, NULL, 0+11),
+ SENSOR_ATTR(temp5_input, S_IRUGO, show_therm_input, NULL, 1+11),
+ SENSOR_ATTR(temp6_input, S_IRUGO, show_therm_input, NULL, 2+11),
+};
+static struct sensor_device_attribute therm_status[] = {
+ SENSOR_ATTR(temp4_status, S_IRUGO, show_therm_status, NULL, 0+11),
+ SENSOR_ATTR(temp5_status, S_IRUGO, show_therm_status, NULL, 1+11),
+ SENSOR_ATTR(temp6_status, S_IRUGO, show_therm_status, NULL, 2+11),
+};
+static struct sensor_device_attribute therm_min[] = {
+ SENSOR_ATTR(temp4_min, S_IRUGO | S_IWUSR,
+ show_therm_min, set_therm_min, 0+11),
+ SENSOR_ATTR(temp5_min, S_IRUGO | S_IWUSR,
+ show_therm_min, set_therm_min, 1+11),
+ SENSOR_ATTR(temp6_min, S_IRUGO | S_IWUSR,
+ show_therm_min, set_therm_min, 2+11),
+};
+static struct sensor_device_attribute therm_max[] = {
+ SENSOR_ATTR(temp4_max, S_IRUGO | S_IWUSR,
+ show_therm_max, set_therm_max, 0+11),
+ SENSOR_ATTR(temp5_max, S_IRUGO | S_IWUSR,
+ show_therm_max, set_therm_max, 1+11),
+ SENSOR_ATTR(temp6_max, S_IRUGO | S_IWUSR,
+ show_therm_max, set_therm_max, 2+11),
+};
+static struct sensor_device_attribute therm_crit[] = {
+ SENSOR_ATTR(temp4_crit, S_IRUGO | S_IWUSR,
+ show_therm_crit, set_therm_crit, 0+11),
+ SENSOR_ATTR(temp5_crit, S_IRUGO | S_IWUSR,
+ show_therm_crit, set_therm_crit, 1+11),
+ SENSOR_ATTR(temp6_crit, S_IRUGO | S_IWUSR,
+ show_therm_crit, set_therm_crit, 2+11),
+};
+
+static ssize_t show_vid(struct device *dev, struct device_attribute *attr, char *buf)
+{
+ struct pc87360_data *data = pc87360_update_device(dev);
+ return sprintf(buf, "%u\n", vid_from_reg(data->vid, data->vrm));
+}
+static DEVICE_ATTR(cpu0_vid, S_IRUGO, show_vid, NULL);
+
+static ssize_t show_vrm(struct device *dev, struct device_attribute *attr, char *buf)
+{
+ struct pc87360_data *data = pc87360_update_device(dev);
+ return sprintf(buf, "%u\n", data->vrm);
+}
+static ssize_t set_vrm(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
+{
+ struct i2c_client *client = to_i2c_client(dev);
+ struct pc87360_data *data = i2c_get_clientdata(client);
+ data->vrm = simple_strtoul(buf, NULL, 10);
+ return count;
+}
+static DEVICE_ATTR(vrm, S_IRUGO | S_IWUSR, show_vrm, set_vrm);
+
+static ssize_t show_in_alarms(struct device *dev, struct device_attribute *attr, char *buf)
+{
+ struct pc87360_data *data = pc87360_update_device(dev);
+ return sprintf(buf, "%u\n", data->in_alarms);
+}
+static DEVICE_ATTR(alarms_in, S_IRUGO, show_in_alarms, NULL);
+
+static ssize_t show_temp_input(struct device *dev, struct device_attribute *devattr, char *buf)
+{
+ struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
+ struct pc87360_data *data = pc87360_update_device(dev);
+ return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp[attr->index]));
+}
+static ssize_t show_temp_min(struct device *dev, struct device_attribute *devattr, char *buf)
+{
+ struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
+ struct pc87360_data *data = pc87360_update_device(dev);
+ return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_min[attr->index]));
+}
+static ssize_t show_temp_max(struct device *dev, struct device_attribute *devattr, char *buf)
+{
+ struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
+ struct pc87360_data *data = pc87360_update_device(dev);
+ return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_max[attr->index]));
+}
+static ssize_t show_temp_crit(struct device *dev, struct device_attribute *devattr, char *buf)
+{
+ struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
+ struct pc87360_data *data = pc87360_update_device(dev);
+ return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_crit[attr->index]));
+}
+static ssize_t show_temp_status(struct device *dev, struct device_attribute *devattr, char *buf)
+{
+ struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
+ struct pc87360_data *data = pc87360_update_device(dev);
+ return sprintf(buf, "%d\n", data->temp_status[attr->index]);
+}
+static ssize_t set_temp_min(struct device *dev, struct device_attribute *devattr, const char *buf,
+ size_t count)
+{
+ struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
+ struct i2c_client *client = to_i2c_client(dev);
+ struct pc87360_data *data = i2c_get_clientdata(client);
+ long val = simple_strtol(buf, NULL, 10);
+
+ mutex_lock(&data->update_lock);
+ data->temp_min[attr->index] = TEMP_TO_REG(val);
+ pc87360_write_value(data, LD_TEMP, attr->index, PC87365_REG_TEMP_MIN,
+ data->temp_min[attr->index]);
+ mutex_unlock(&data->update_lock);
+ return count;
+}
+static ssize_t set_temp_max(struct device *dev, struct device_attribute *devattr, const char *buf,
+ size_t count)
+{
+ struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
+ struct i2c_client *client = to_i2c_client(dev);
+ struct pc87360_data *data = i2c_get_clientdata(client);
+ long val = simple_strtol(buf, NULL, 10);
+
+ mutex_lock(&data->update_lock);
+ data->temp_max[attr->index] = TEMP_TO_REG(val);
+ pc87360_write_value(data, LD_TEMP, attr->index, PC87365_REG_TEMP_MAX,
+ data->temp_max[attr->index]);
+ mutex_unlock(&data->update_lock);
+ return count;
+}
+static ssize_t set_temp_crit(struct device *dev, struct device_attribute *devattr, const char *buf,
+ size_t count)
+{
+ struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
+ struct i2c_client *client = to_i2c_client(dev);
+ struct pc87360_data *data = i2c_get_clientdata(client);
+ long val = simple_strtol(buf, NULL, 10);
+
+ mutex_lock(&data->update_lock);
+ data->temp_crit[attr->index] = TEMP_TO_REG(val);
+ pc87360_write_value(data, LD_TEMP, attr->index, PC87365_REG_TEMP_CRIT,
+ data->temp_crit[attr->index]);
+ mutex_unlock(&data->update_lock);
+ return count;
+}
+
+static struct sensor_device_attribute temp_input[] = {
+ SENSOR_ATTR(temp1_input, S_IRUGO, show_temp_input, NULL, 0),
+ SENSOR_ATTR(temp2_input, S_IRUGO, show_temp_input, NULL, 1),
+ SENSOR_ATTR(temp3_input, S_IRUGO, show_temp_input, NULL, 2),
+};
+static struct sensor_device_attribute temp_status[] = {
+ SENSOR_ATTR(temp1_status, S_IRUGO, show_temp_status, NULL, 0),
+ SENSOR_ATTR(temp2_status, S_IRUGO, show_temp_status, NULL, 1),
+ SENSOR_ATTR(temp3_status, S_IRUGO, show_temp_status, NULL, 2),
+};
+static struct sensor_device_attribute temp_min[] = {
+ SENSOR_ATTR(temp1_min, S_IRUGO | S_IWUSR,
+ show_temp_min, set_temp_min, 0),
+ SENSOR_ATTR(temp2_min, S_IRUGO | S_IWUSR,
+ show_temp_min, set_temp_min, 1),
+ SENSOR_ATTR(temp3_min, S_IRUGO | S_IWUSR,
+ show_temp_min, set_temp_min, 2),
+};
+static struct sensor_device_attribute temp_max[] = {
+ SENSOR_ATTR(temp1_max, S_IRUGO | S_IWUSR,
+ show_temp_max, set_temp_max, 0),
+ SENSOR_ATTR(temp2_max, S_IRUGO | S_IWUSR,
+ show_temp_max, set_temp_max, 1),
+ SENSOR_ATTR(temp3_max, S_IRUGO | S_IWUSR,
+ show_temp_max, set_temp_max, 2),
+};
+static struct sensor_device_attribute temp_crit[] = {
+ SENSOR_ATTR(temp1_crit, S_IRUGO | S_IWUSR,
+ show_temp_crit, set_temp_crit, 0),
+ SENSOR_ATTR(temp2_crit, S_IRUGO | S_IWUSR,
+ show_temp_crit, set_temp_crit, 1),
+ SENSOR_ATTR(temp3_crit, S_IRUGO | S_IWUSR,
+ show_temp_crit, set_temp_crit, 2),
+};
+
+static ssize_t show_temp_alarms(struct device *dev, struct device_attribute *attr, char *buf)
+{
+ struct pc87360_data *data = pc87360_update_device(dev);
+ return sprintf(buf, "%u\n", data->temp_alarms);
+}
+static DEVICE_ATTR(alarms_temp, S_IRUGO, show_temp_alarms, NULL);
+
+/*
+ * Device detection, registration and update
+ */
+
+static int __init pc87360_find(int sioaddr, u8 *devid, unsigned short *addresses)
+{
+ u16 val;
+ int i;
+ int nrdev; /* logical device count */
+
+ /* No superio_enter */
+
+ /* Identify device */
+ val = superio_inb(sioaddr, DEVID);
+ switch (val) {
+ case 0xE1: /* PC87360 */
+ case 0xE8: /* PC87363 */
+ case 0xE4: /* PC87364 */
+ nrdev = 1;
+ break;
+ case 0xE5: /* PC87365 */
+ case 0xE9: /* PC87366 */
+ nrdev = 3;
+ break;
+ default:
+ superio_exit(sioaddr);
+ return -ENODEV;
+ }
+ /* Remember the device id */
+ *devid = val;
+
+ for (i = 0; i < nrdev; i++) {
+ /* select logical device */
+ superio_outb(sioaddr, DEV, logdev[i]);
+
+ val = superio_inb(sioaddr, ACT);
+ if (!(val & 0x01)) {
+ printk(KERN_INFO "pc87360: Device 0x%02x not "
+ "activated\n", logdev[i]);
+ continue;
+ }
+
+ val = (superio_inb(sioaddr, BASE) << 8)
+ | superio_inb(sioaddr, BASE + 1);
+ if (!val) {
+ printk(KERN_INFO "pc87360: Base address not set for "
+ "device 0x%02x\n", logdev[i]);
+ continue;
+ }
+
+ addresses[i] = val;
+
+ if (i==0) { /* Fans */
+ confreg[0] = superio_inb(sioaddr, 0xF0);
+ confreg[1] = superio_inb(sioaddr, 0xF1);
+
+#ifdef DEBUG
+ printk(KERN_DEBUG "pc87360: Fan 1: mon=%d "
+ "ctrl=%d inv=%d\n", (confreg[0]>>2)&1,
+ (confreg[0]>>3)&1, (confreg[0]>>4)&1);
+ printk(KERN_DEBUG "pc87360: Fan 2: mon=%d "
+ "ctrl=%d inv=%d\n", (confreg[0]>>5)&1,
+ (confreg[0]>>6)&1, (confreg[0]>>7)&1);
+ printk(KERN_DEBUG "pc87360: Fan 3: mon=%d "
+ "ctrl=%d inv=%d\n", confreg[1]&1,
+ (confreg[1]>>1)&1, (confreg[1]>>2)&1);
+#endif
+ } else if (i==1) { /* Voltages */
+ /* Are we using thermistors? */
+ if (*devid == 0xE9) { /* PC87366 */
+ /* These registers are not logical-device
+ specific, just that we won't need them if
+ we don't use the VLM device */
+ confreg[2] = superio_inb(sioaddr, 0x2B);
+ confreg[3] = superio_inb(sioaddr, 0x25);
+
+ if (confreg[2] & 0x40) {
+ printk(KERN_INFO "pc87360: Using "
+ "thermistors for temperature "
+ "monitoring\n");
+ }
+ if (confreg[3] & 0xE0) {
+ printk(KERN_INFO "pc87360: VID "
+ "inputs routed (mode %u)\n",
+ confreg[3] >> 5);
+ }
+ }
+ }
+ }
+
+ superio_exit(sioaddr);
+ return 0;
+}
+
+static int pc87360_detect(struct i2c_adapter *adapter)
+{
+ int i;
+ struct i2c_client *client;
+ struct pc87360_data *data;
+ int err = 0;
+ const char *name = "pc87360";
+ int use_thermistors = 0;
+ struct device *dev;
+
+ if (!(data = kzalloc(sizeof(struct pc87360_data), GFP_KERNEL)))
+ return -ENOMEM;
+
+ client = &data->client;
+ dev = &client->dev;
+ i2c_set_clientdata(client, data);
+ client->addr = address;
+ mutex_init(&data->lock);
+ client->adapter = adapter;
+ client->driver = &pc87360_driver;
+ client->flags = 0;
+
+ data->fannr = 2;
+ data->innr = 0;
+ data->tempnr = 0;
+
+ switch (devid) {
+ case 0xe8:
+ name = "pc87363";
+ break;
+ case 0xe4:
+ name = "pc87364";
+ data->fannr = 3;
+ break;
+ case 0xe5:
+ name = "pc87365";
+ data->fannr = extra_isa[0] ? 3 : 0;
+ data->innr = extra_isa[1] ? 11 : 0;
+ data->tempnr = extra_isa[2] ? 2 : 0;
+ break;
+ case 0xe9:
+ name = "pc87366";
+ data->fannr = extra_isa[0] ? 3 : 0;
+ data->innr = extra_isa[1] ? 14 : 0;
+ data->tempnr = extra_isa[2] ? 3 : 0;
+ break;
+ }
+
+ strlcpy(client->name, name, sizeof(client->name));
+ data->valid = 0;
+ mutex_init(&data->update_lock);
+
+ for (i = 0; i < 3; i++) {
+ if (((data->address[i] = extra_isa[i]))
+ && !request_region(extra_isa[i], PC87360_EXTENT,
+ pc87360_driver.driver.name)) {
+ dev_err(&client->dev, "Region 0x%x-0x%x already "
+ "in use!\n", extra_isa[i],
+ extra_isa[i]+PC87360_EXTENT-1);
+ for (i--; i >= 0; i--)
+ release_region(extra_isa[i], PC87360_EXTENT);
+ err = -EBUSY;
+ goto ERROR1;
+ }
+ }
+
+ /* Retrieve the fans configuration from Super-I/O space */
+ if (data->fannr)
+ data->fan_conf = confreg[0] | (confreg[1] << 8);
+
+ if ((err = i2c_attach_client(client)))
+ goto ERROR2;
+
+ /* Use the correct reference voltage
+ Unless both the VLM and the TMS logical devices agree to
+ use an external Vref, the internal one is used. */
+ if (data->innr) {
+ i = pc87360_read_value(data, LD_IN, NO_BANK,
+ PC87365_REG_IN_CONFIG);
+ if (data->tempnr) {
+ i &= pc87360_read_value(data, LD_TEMP, NO_BANK,
+ PC87365_REG_TEMP_CONFIG);
+ }
+ data->in_vref = (i&0x02) ? 3025 : 2966;
+ dev_dbg(&client->dev, "Using %s reference voltage\n",
+ (i&0x02) ? "external" : "internal");
+
+ data->vid_conf = confreg[3];
+ data->vrm = 90;
+ }
+
+ /* Fan clock dividers may be needed before any data is read */
+ for (i = 0; i < data->fannr; i++) {
+ if (FAN_CONFIG_MONITOR(data->fan_conf, i))
+ data->fan_status[i] = pc87360_read_value(data,
+ LD_FAN, NO_BANK,
+ PC87360_REG_FAN_STATUS(i));
+ }
+
+ if (init > 0) {
+ if (devid == 0xe9 && data->address[1]) /* PC87366 */
+ use_thermistors = confreg[2] & 0x40;
+
+ pc87360_init_client(client, use_thermistors);
+ }
+
+ /* Register sysfs hooks */
+ data->class_dev = hwmon_device_register(&client->dev);
+ if (IS_ERR(data->class_dev)) {
+ err = PTR_ERR(data->class_dev);
+ goto ERROR3;
+ }
+
+ if (data->innr) {
+ for (i = 0; i < 11; i++) {
+ device_create_file(dev, &in_input[i].dev_attr);
+ device_create_file(dev, &in_min[i].dev_attr);
+ device_create_file(dev, &in_max[i].dev_attr);
+ device_create_file(dev, &in_status[i].dev_attr);
+ }
+ device_create_file(dev, &dev_attr_cpu0_vid);
+ device_create_file(dev, &dev_attr_vrm);
+ device_create_file(dev, &dev_attr_alarms_in);
+ }
+
+ if (data->tempnr) {
+ for (i = 0; i < data->tempnr; i++) {
+ device_create_file(dev, &temp_input[i].dev_attr);
+ device_create_file(dev, &temp_min[i].dev_attr);
+ device_create_file(dev, &temp_max[i].dev_attr);
+ device_create_file(dev, &temp_crit[i].dev_attr);
+ device_create_file(dev, &temp_status[i].dev_attr);
+ }
+ device_create_file(dev, &dev_attr_alarms_temp);
+ }
+
+ if (data->innr == 14) {
+ for (i = 0; i < 3; i++) {
+ device_create_file(dev, &therm_input[i].dev_attr);
+ device_create_file(dev, &therm_min[i].dev_attr);
+ device_create_file(dev, &therm_max[i].dev_attr);
+ device_create_file(dev, &therm_crit[i].dev_attr);
+ device_create_file(dev, &therm_status[i].dev_attr);
+ }
+ }
+
+ for (i = 0; i < data->fannr; i++) {
+ if (FAN_CONFIG_MONITOR(data->fan_conf, i)) {
+ device_create_file(dev, &fan_input[i].dev_attr);
+ device_create_file(dev, &fan_min[i].dev_attr);
+ device_create_file(dev, &fan_div[i].dev_attr);
+ device_create_file(dev, &fan_status[i].dev_attr);
+ }
+ if (FAN_CONFIG_CONTROL(data->fan_conf, i))
+ device_create_file(dev, &pwm[i].dev_attr);
+ }
+
+ return 0;
+
+ERROR3:
+ i2c_detach_client(client);
+ERROR2:
+ for (i = 0; i < 3; i++) {
+ if (data->address[i]) {
+ release_region(data->address[i], PC87360_EXTENT);
+ }
+ }
+ERROR1:
+ kfree(data);
+ return err;
+}
+
+static int pc87360_detach_client(struct i2c_client *client)
+{
+ struct pc87360_data *data = i2c_get_clientdata(client);
+ int i;
+
+ hwmon_device_unregister(data->class_dev);
+
+ if ((i = i2c_detach_client(client)))
+ return i;
+
+ for (i = 0; i < 3; i++) {
+ if (data->address[i]) {
+ release_region(data->address[i], PC87360_EXTENT);
+ }
+ }
+ kfree(data);
+
+ return 0;
+}
+
+/* ldi is the logical device index
+ bank is for voltages and temperatures only */
+static int pc87360_read_value(struct pc87360_data *data, u8 ldi, u8 bank,
+ u8 reg)
+{
+ int res;
+
+ mutex_lock(&(data->lock));
+ if (bank != NO_BANK)
+ outb_p(bank, data->address[ldi] + PC87365_REG_BANK);
+ res = inb_p(data->address[ldi] + reg);
+ mutex_unlock(&(data->lock));
+
+ return res;
+}
+
+static void pc87360_write_value(struct pc87360_data *data, u8 ldi, u8 bank,
+ u8 reg, u8 value)
+{
+ mutex_lock(&(data->lock));
+ if (bank != NO_BANK)
+ outb_p(bank, data->address[ldi] + PC87365_REG_BANK);
+ outb_p(value, data->address[ldi] + reg);
+ mutex_unlock(&(data->lock));
+}
+
+static void pc87360_init_client(struct i2c_client *client, int use_thermistors)
+{
+ struct pc87360_data *data = i2c_get_clientdata(client);
+ int i, nr;
+ const u8 init_in[14] = { 2, 2, 2, 2, 2, 2, 2, 1, 1, 3, 1, 2, 2, 2 };
+ const u8 init_temp[3] = { 2, 2, 1 };
+ u8 reg;
+
+ if (init >= 2 && data->innr) {
+ reg = pc87360_read_value(data, LD_IN, NO_BANK,
+ PC87365_REG_IN_CONVRATE);
+ dev_info(&client->dev, "VLM conversion set to "
+ "1s period, 160us delay\n");
+ pc87360_write_value(data, LD_IN, NO_BANK,
+ PC87365_REG_IN_CONVRATE,
+ (reg & 0xC0) | 0x11);
+ }
+
+ nr = data->innr < 11 ? data->innr : 11;
+ for (i = 0; i < nr; i++) {
+ if (init >= init_in[i]) {
+ /* Forcibly enable voltage channel */
+ reg = pc87360_read_value(data, LD_IN, i,
+ PC87365_REG_IN_STATUS);
+ if (!(reg & 0x01)) {
+ dev_dbg(&client->dev, "Forcibly "
+ "enabling in%d\n", i);
+ pc87360_write_value(data, LD_IN, i,
+ PC87365_REG_IN_STATUS,
+ (reg & 0x68) | 0x87);
+ }
+ }
+ }
+
+ /* We can't blindly trust the Super-I/O space configuration bit,
+ most BIOS won't set it properly */
+ for (i = 11; i < data->innr; i++) {
+ reg = pc87360_read_value(data, LD_IN, i,
+ PC87365_REG_TEMP_STATUS);
+ use_thermistors = use_thermistors || (reg & 0x01);
+ }
+
+ i = use_thermistors ? 2 : 0;
+ for (; i < data->tempnr; i++) {
+ if (init >= init_temp[i]) {
+ /* Forcibly enable temperature channel */
+ reg = pc87360_read_value(data, LD_TEMP, i,
+ PC87365_REG_TEMP_STATUS);
+ if (!(reg & 0x01)) {
+ dev_dbg(&client->dev, "Forcibly "
+ "enabling temp%d\n", i+1);
+ pc87360_write_value(data, LD_TEMP, i,
+ PC87365_REG_TEMP_STATUS,
+ 0xCF);
+ }
+ }
+ }
+
+ if (use_thermistors) {
+ for (i = 11; i < data->innr; i++) {
+ if (init >= init_in[i]) {
+ /* The pin may already be used by thermal
+ diodes */
+ reg = pc87360_read_value(data, LD_TEMP,
+ (i-11)/2, PC87365_REG_TEMP_STATUS);
+ if (reg & 0x01) {
+ dev_dbg(&client->dev, "Skipping "
+ "temp%d, pin already in use "
+ "by temp%d\n", i-7, (i-11)/2);
+ continue;
+ }
+
+ /* Forcibly enable thermistor channel */
+ reg = pc87360_read_value(data, LD_IN, i,
+ PC87365_REG_IN_STATUS);
+ if (!(reg & 0x01)) {
+ dev_dbg(&client->dev, "Forcibly "
+ "enabling temp%d\n", i-7);
+ pc87360_write_value(data, LD_IN, i,
+ PC87365_REG_TEMP_STATUS,
+ (reg & 0x60) | 0x8F);
+ }
+ }
+ }
+ }
+
+ if (data->innr) {
+ reg = pc87360_read_value(data, LD_IN, NO_BANK,
+ PC87365_REG_IN_CONFIG);
+ if (reg & 0x01) {
+ dev_dbg(&client->dev, "Forcibly "
+ "enabling monitoring (VLM)\n");
+ pc87360_write_value(data, LD_IN, NO_BANK,
+ PC87365_REG_IN_CONFIG,
+ reg & 0xFE);
+ }
+ }
+
+ if (data->tempnr) {
+ reg = pc87360_read_value(data, LD_TEMP, NO_BANK,
+ PC87365_REG_TEMP_CONFIG);
+ if (reg & 0x01) {
+ dev_dbg(&client->dev, "Forcibly enabling "
+ "monitoring (TMS)\n");
+ pc87360_write_value(data, LD_TEMP, NO_BANK,
+ PC87365_REG_TEMP_CONFIG,
+ reg & 0xFE);
+ }
+
+ if (init >= 2) {
+ /* Chip config as documented by National Semi. */
+ pc87360_write_value(data, LD_TEMP, 0xF, 0xA, 0x08);
+ /* We voluntarily omit the bank here, in case the
+ sequence itself matters. It shouldn't be a problem,
+ since nobody else is supposed to access the
+ device at that point. */
+ pc87360_write_value(data, LD_TEMP, NO_BANK, 0xB, 0x04);
+ pc87360_write_value(data, LD_TEMP, NO_BANK, 0xC, 0x35);
+ pc87360_write_value(data, LD_TEMP, NO_BANK, 0xD, 0x05);
+ pc87360_write_value(data, LD_TEMP, NO_BANK, 0xE, 0x05);
+ }
+ }
+}
+
+static void pc87360_autodiv(struct i2c_client *client, int nr)
+{
+ struct pc87360_data *data = i2c_get_clientdata(client);
+ u8 old_min = data->fan_min[nr];
+
+ /* Increase clock divider if needed and possible */
+ if ((data->fan_status[nr] & 0x04) /* overflow flag */
+ || (data->fan[nr] >= 224)) { /* next to overflow */
+ if ((data->fan_status[nr] & 0x60) != 0x60) {
+ data->fan_status[nr] += 0x20;
+ data->fan_min[nr] >>= 1;
+ data->fan[nr] >>= 1;
+ dev_dbg(&client->dev, "Increasing "
+ "clock divider to %d for fan %d\n",
+ FAN_DIV_FROM_REG(data->fan_status[nr]), nr+1);
+ }
+ } else {
+ /* Decrease clock divider if possible */
+ while (!(data->fan_min[nr] & 0x80) /* min "nails" divider */
+ && data->fan[nr] < 85 /* bad accuracy */
+ && (data->fan_status[nr] & 0x60) != 0x00) {
+ data->fan_status[nr] -= 0x20;
+ data->fan_min[nr] <<= 1;
+ data->fan[nr] <<= 1;
+ dev_dbg(&client->dev, "Decreasing "
+ "clock divider to %d for fan %d\n",
+ FAN_DIV_FROM_REG(data->fan_status[nr]),
+ nr+1);
+ }
+ }
+
+ /* Write new fan min if it changed */
+ if (old_min != data->fan_min[nr]) {
+ pc87360_write_value(data, LD_FAN, NO_BANK,
+ PC87360_REG_FAN_MIN(nr),
+ data->fan_min[nr]);
+ }
+}
+
+static struct pc87360_data *pc87360_update_device(struct device *dev)
+{
+ struct i2c_client *client = to_i2c_client(dev);
+ struct pc87360_data *data = i2c_get_clientdata(client);
+ u8 i;
+
+ mutex_lock(&data->update_lock);
+
+ if (time_after(jiffies, data->last_updated + HZ * 2) || !data->valid) {
+ dev_dbg(&client->dev, "Data update\n");
+
+ /* Fans */
+ for (i = 0; i < data->fannr; i++) {
+ if (FAN_CONFIG_MONITOR(data->fan_conf, i)) {
+ data->fan_status[i] =
+ pc87360_read_value(data, LD_FAN,
+ NO_BANK, PC87360_REG_FAN_STATUS(i));
+ data->fan[i] = pc87360_read_value(data, LD_FAN,
+ NO_BANK, PC87360_REG_FAN(i));
+ data->fan_min[i] = pc87360_read_value(data,
+ LD_FAN, NO_BANK,
+ PC87360_REG_FAN_MIN(i));
+ /* Change clock divider if needed */
+ pc87360_autodiv(client, i);
+ /* Clear bits and write new divider */
+ pc87360_write_value(data, LD_FAN, NO_BANK,
+ PC87360_REG_FAN_STATUS(i),
+ data->fan_status[i]);
+ }
+ if (FAN_CONFIG_CONTROL(data->fan_conf, i))
+ data->pwm[i] = pc87360_read_value(data, LD_FAN,
+ NO_BANK, PC87360_REG_PWM(i));
+ }
+
+ /* Voltages */
+ for (i = 0; i < data->innr; i++) {
+ data->in_status[i] = pc87360_read_value(data, LD_IN, i,
+ PC87365_REG_IN_STATUS);
+ /* Clear bits */
+ pc87360_write_value(data, LD_IN, i,
+ PC87365_REG_IN_STATUS,
+ data->in_status[i]);
+ if ((data->in_status[i] & 0x81) == 0x81) {
+ data->in[i] = pc87360_read_value(data, LD_IN,
+ i, PC87365_REG_IN);
+ }
+ if (data->in_status[i] & 0x01) {
+ data->in_min[i] = pc87360_read_value(data,
+ LD_IN, i,
+ PC87365_REG_IN_MIN);
+ data->in_max[i] = pc87360_read_value(data,
+ LD_IN, i,
+ PC87365_REG_IN_MAX);
+ if (i >= 11)
+ data->in_crit[i-11] =
+ pc87360_read_value(data, LD_IN,
+ i, PC87365_REG_TEMP_CRIT);
+ }
+ }
+ if (data->innr) {
+ data->in_alarms = pc87360_read_value(data, LD_IN,
+ NO_BANK, PC87365_REG_IN_ALARMS1)
+ | ((pc87360_read_value(data, LD_IN,
+ NO_BANK, PC87365_REG_IN_ALARMS2)
+ & 0x07) << 8);
+ data->vid = (data->vid_conf & 0xE0) ?
+ pc87360_read_value(data, LD_IN,
+ NO_BANK, PC87365_REG_VID) : 0x1F;
+ }
+
+ /* Temperatures */
+ for (i = 0; i < data->tempnr; i++) {
+ data->temp_status[i] = pc87360_read_value(data,
+ LD_TEMP, i,
+ PC87365_REG_TEMP_STATUS);
+ /* Clear bits */
+ pc87360_write_value(data, LD_TEMP, i,
+ PC87365_REG_TEMP_STATUS,
+ data->temp_status[i]);
+ if ((data->temp_status[i] & 0x81) == 0x81) {
+ data->temp[i] = pc87360_read_value(data,
+ LD_TEMP, i,
+ PC87365_REG_TEMP);
+ }
+ if (data->temp_status[i] & 0x01) {
+ data->temp_min[i] = pc87360_read_value(data,
+ LD_TEMP, i,
+ PC87365_REG_TEMP_MIN);
+ data->temp_max[i] = pc87360_read_value(data,
+ LD_TEMP, i,
+ PC87365_REG_TEMP_MAX);
+ data->temp_crit[i] = pc87360_read_value(data,
+ LD_TEMP, i,
+ PC87365_REG_TEMP_CRIT);
+ }
+ }
+ if (data->tempnr) {
+ data->temp_alarms = pc87360_read_value(data, LD_TEMP,
+ NO_BANK, PC87365_REG_TEMP_ALARMS)
+ & 0x3F;
+ }
+
+ data->last_updated = jiffies;
+ data->valid = 1;
+ }
+
+ mutex_unlock(&data->update_lock);
+
+ return data;
+}
+
+static int __init pc87360_init(void)
+{
+ int i;
+
+ if (pc87360_find(0x2e, &devid, extra_isa)
+ && pc87360_find(0x4e, &devid, extra_isa)) {
+ printk(KERN_WARNING "pc87360: PC8736x not detected, "
+ "module not inserted.\n");
+ return -ENODEV;
+ }
+
+ /* Arbitrarily pick one of the addresses */
+ for (i = 0; i < 3; i++) {
+ if (extra_isa[i] != 0x0000) {
+ address = extra_isa[i];
+ break;
+ }
+ }
+
+ if (address == 0x0000) {
+ printk(KERN_WARNING "pc87360: No active logical device, "
+ "module not inserted.\n");
+ return -ENODEV;
+ }
+
+ return i2c_isa_add_driver(&pc87360_driver);
+}
+
+static void __exit pc87360_exit(void)
+{
+ i2c_isa_del_driver(&pc87360_driver);
+}
+
+
+MODULE_AUTHOR("Jean Delvare <khali@linux-fr.org>");
+MODULE_DESCRIPTION("PC8736x hardware monitor");
+MODULE_LICENSE("GPL");
+
+module_init(pc87360_init);
+module_exit(pc87360_exit);
git://git.onelab.eu / linux-2.6.git / blobdiff