Sis950 A clone of the IT8705F
Copyright (C) 2001 Chris Gauthron <chrisg@0-in.com>
- Largely inspired by lm78.c of the same package
+ Copyright (C) 2005-2006 Jean Delvare <khali@linux-fr.org>
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
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
-/*
- djg@pdp8.net David Gesswein 7/18/01
- Modified to fix bug with not all alarms enabled.
- Added ability to read battery voltage and select temperature sensor
- type at module load time.
-*/
-
#include <linux/module.h>
#include <linux/init.h>
#include <linux/slab.h>
#include <linux/hwmon-vid.h>
#include <linux/err.h>
#include <linux/mutex.h>
+#include <linux/sysfs.h>
#include <asm/io.h>
return count;
}
static DEVICE_ATTR(vrm, S_IRUGO | S_IWUSR, show_vrm_reg, store_vrm_reg);
-#define device_create_file_vrm(client) \
-device_create_file(&client->dev, &dev_attr_vrm)
static ssize_t
show_vid_reg(struct device *dev, struct device_attribute *attr, char *buf)
return sprintf(buf, "%ld\n", (long) vid_from_reg(data->vid, data->vrm));
}
static DEVICE_ATTR(cpu0_vid, S_IRUGO, show_vid_reg, NULL);
-#define device_create_file_vid(client) \
-device_create_file(&client->dev, &dev_attr_cpu0_vid)
+
+static struct attribute *it87_attributes[] = {
+ &sensor_dev_attr_in0_input.dev_attr.attr,
+ &sensor_dev_attr_in1_input.dev_attr.attr,
+ &sensor_dev_attr_in2_input.dev_attr.attr,
+ &sensor_dev_attr_in3_input.dev_attr.attr,
+ &sensor_dev_attr_in4_input.dev_attr.attr,
+ &sensor_dev_attr_in5_input.dev_attr.attr,
+ &sensor_dev_attr_in6_input.dev_attr.attr,
+ &sensor_dev_attr_in7_input.dev_attr.attr,
+ &sensor_dev_attr_in8_input.dev_attr.attr,
+ &sensor_dev_attr_in0_min.dev_attr.attr,
+ &sensor_dev_attr_in1_min.dev_attr.attr,
+ &sensor_dev_attr_in2_min.dev_attr.attr,
+ &sensor_dev_attr_in3_min.dev_attr.attr,
+ &sensor_dev_attr_in4_min.dev_attr.attr,
+ &sensor_dev_attr_in5_min.dev_attr.attr,
+ &sensor_dev_attr_in6_min.dev_attr.attr,
+ &sensor_dev_attr_in7_min.dev_attr.attr,
+ &sensor_dev_attr_in0_max.dev_attr.attr,
+ &sensor_dev_attr_in1_max.dev_attr.attr,
+ &sensor_dev_attr_in2_max.dev_attr.attr,
+ &sensor_dev_attr_in3_max.dev_attr.attr,
+ &sensor_dev_attr_in4_max.dev_attr.attr,
+ &sensor_dev_attr_in5_max.dev_attr.attr,
+ &sensor_dev_attr_in6_max.dev_attr.attr,
+ &sensor_dev_attr_in7_max.dev_attr.attr,
+
+ &sensor_dev_attr_temp1_input.dev_attr.attr,
+ &sensor_dev_attr_temp2_input.dev_attr.attr,
+ &sensor_dev_attr_temp3_input.dev_attr.attr,
+ &sensor_dev_attr_temp1_max.dev_attr.attr,
+ &sensor_dev_attr_temp2_max.dev_attr.attr,
+ &sensor_dev_attr_temp3_max.dev_attr.attr,
+ &sensor_dev_attr_temp1_min.dev_attr.attr,
+ &sensor_dev_attr_temp2_min.dev_attr.attr,
+ &sensor_dev_attr_temp3_min.dev_attr.attr,
+ &sensor_dev_attr_temp1_type.dev_attr.attr,
+ &sensor_dev_attr_temp2_type.dev_attr.attr,
+ &sensor_dev_attr_temp3_type.dev_attr.attr,
+
+ &dev_attr_alarms.attr,
+ NULL
+};
+
+static const struct attribute_group it87_group = {
+ .attrs = it87_attributes,
+};
+
+static struct attribute *it87_attributes_opt[] = {
+ &sensor_dev_attr_fan1_input16.dev_attr.attr,
+ &sensor_dev_attr_fan1_min16.dev_attr.attr,
+ &sensor_dev_attr_fan2_input16.dev_attr.attr,
+ &sensor_dev_attr_fan2_min16.dev_attr.attr,
+ &sensor_dev_attr_fan3_input16.dev_attr.attr,
+ &sensor_dev_attr_fan3_min16.dev_attr.attr,
+
+ &sensor_dev_attr_fan1_input.dev_attr.attr,
+ &sensor_dev_attr_fan1_min.dev_attr.attr,
+ &sensor_dev_attr_fan1_div.dev_attr.attr,
+ &sensor_dev_attr_fan2_input.dev_attr.attr,
+ &sensor_dev_attr_fan2_min.dev_attr.attr,
+ &sensor_dev_attr_fan2_div.dev_attr.attr,
+ &sensor_dev_attr_fan3_input.dev_attr.attr,
+ &sensor_dev_attr_fan3_min.dev_attr.attr,
+ &sensor_dev_attr_fan3_div.dev_attr.attr,
+
+ &sensor_dev_attr_pwm1_enable.dev_attr.attr,
+ &sensor_dev_attr_pwm2_enable.dev_attr.attr,
+ &sensor_dev_attr_pwm3_enable.dev_attr.attr,
+ &sensor_dev_attr_pwm1.dev_attr.attr,
+ &sensor_dev_attr_pwm2.dev_attr.attr,
+ &sensor_dev_attr_pwm3.dev_attr.attr,
+
+ &dev_attr_vrm.attr,
+ &dev_attr_cpu0_vid.attr,
+ NULL
+};
+
+static const struct attribute_group it87_group_opt = {
+ .attrs = it87_attributes_opt,
+};
/* This function is called when:
* it87_driver is inserted (when this module is loaded), for each
it87_init_client(new_client, data);
/* Register sysfs hooks */
- data->class_dev = hwmon_device_register(&new_client->dev);
- if (IS_ERR(data->class_dev)) {
- err = PTR_ERR(data->class_dev);
+ if ((err = sysfs_create_group(&new_client->dev.kobj, &it87_group)))
goto ERROR3;
- }
-
- device_create_file(&new_client->dev, &sensor_dev_attr_in0_input.dev_attr);
- device_create_file(&new_client->dev, &sensor_dev_attr_in1_input.dev_attr);
- device_create_file(&new_client->dev, &sensor_dev_attr_in2_input.dev_attr);
- device_create_file(&new_client->dev, &sensor_dev_attr_in3_input.dev_attr);
- device_create_file(&new_client->dev, &sensor_dev_attr_in4_input.dev_attr);
- device_create_file(&new_client->dev, &sensor_dev_attr_in5_input.dev_attr);
- device_create_file(&new_client->dev, &sensor_dev_attr_in6_input.dev_attr);
- device_create_file(&new_client->dev, &sensor_dev_attr_in7_input.dev_attr);
- device_create_file(&new_client->dev, &sensor_dev_attr_in8_input.dev_attr);
- device_create_file(&new_client->dev, &sensor_dev_attr_in0_min.dev_attr);
- device_create_file(&new_client->dev, &sensor_dev_attr_in1_min.dev_attr);
- device_create_file(&new_client->dev, &sensor_dev_attr_in2_min.dev_attr);
- device_create_file(&new_client->dev, &sensor_dev_attr_in3_min.dev_attr);
- device_create_file(&new_client->dev, &sensor_dev_attr_in4_min.dev_attr);
- device_create_file(&new_client->dev, &sensor_dev_attr_in5_min.dev_attr);
- device_create_file(&new_client->dev, &sensor_dev_attr_in6_min.dev_attr);
- device_create_file(&new_client->dev, &sensor_dev_attr_in7_min.dev_attr);
- device_create_file(&new_client->dev, &sensor_dev_attr_in0_max.dev_attr);
- device_create_file(&new_client->dev, &sensor_dev_attr_in1_max.dev_attr);
- device_create_file(&new_client->dev, &sensor_dev_attr_in2_max.dev_attr);
- device_create_file(&new_client->dev, &sensor_dev_attr_in3_max.dev_attr);
- device_create_file(&new_client->dev, &sensor_dev_attr_in4_max.dev_attr);
- device_create_file(&new_client->dev, &sensor_dev_attr_in5_max.dev_attr);
- device_create_file(&new_client->dev, &sensor_dev_attr_in6_max.dev_attr);
- device_create_file(&new_client->dev, &sensor_dev_attr_in7_max.dev_attr);
- device_create_file(&new_client->dev, &sensor_dev_attr_temp1_input.dev_attr);
- device_create_file(&new_client->dev, &sensor_dev_attr_temp2_input.dev_attr);
- device_create_file(&new_client->dev, &sensor_dev_attr_temp3_input.dev_attr);
- device_create_file(&new_client->dev, &sensor_dev_attr_temp1_max.dev_attr);
- device_create_file(&new_client->dev, &sensor_dev_attr_temp2_max.dev_attr);
- device_create_file(&new_client->dev, &sensor_dev_attr_temp3_max.dev_attr);
- device_create_file(&new_client->dev, &sensor_dev_attr_temp1_min.dev_attr);
- device_create_file(&new_client->dev, &sensor_dev_attr_temp2_min.dev_attr);
- device_create_file(&new_client->dev, &sensor_dev_attr_temp3_min.dev_attr);
- device_create_file(&new_client->dev, &sensor_dev_attr_temp1_type.dev_attr);
- device_create_file(&new_client->dev, &sensor_dev_attr_temp2_type.dev_attr);
- device_create_file(&new_client->dev, &sensor_dev_attr_temp3_type.dev_attr);
/* Do not create fan files for disabled fans */
if (data->type == it8716 || data->type == it8718) {
/* 16-bit tachometers */
if (data->has_fan & (1 << 0)) {
- device_create_file(&new_client->dev,
- &sensor_dev_attr_fan1_input16.dev_attr);
- device_create_file(&new_client->dev,
- &sensor_dev_attr_fan1_min16.dev_attr);
+ if ((err = device_create_file(&new_client->dev,
+ &sensor_dev_attr_fan1_input16.dev_attr))
+ || (err = device_create_file(&new_client->dev,
+ &sensor_dev_attr_fan1_min16.dev_attr)))
+ goto ERROR4;
}
if (data->has_fan & (1 << 1)) {
- device_create_file(&new_client->dev,
- &sensor_dev_attr_fan2_input16.dev_attr);
- device_create_file(&new_client->dev,
- &sensor_dev_attr_fan2_min16.dev_attr);
+ if ((err = device_create_file(&new_client->dev,
+ &sensor_dev_attr_fan2_input16.dev_attr))
+ || (err = device_create_file(&new_client->dev,
+ &sensor_dev_attr_fan2_min16.dev_attr)))
+ goto ERROR4;
}
if (data->has_fan & (1 << 2)) {
- device_create_file(&new_client->dev,
- &sensor_dev_attr_fan3_input16.dev_attr);
- device_create_file(&new_client->dev,
- &sensor_dev_attr_fan3_min16.dev_attr);
+ if ((err = device_create_file(&new_client->dev,
+ &sensor_dev_attr_fan3_input16.dev_attr))
+ || (err = device_create_file(&new_client->dev,
+ &sensor_dev_attr_fan3_min16.dev_attr)))
+ goto ERROR4;
}
} else {
/* 8-bit tachometers with clock divider */
if (data->has_fan & (1 << 0)) {
- device_create_file(&new_client->dev,
- &sensor_dev_attr_fan1_input.dev_attr);
- device_create_file(&new_client->dev,
- &sensor_dev_attr_fan1_min.dev_attr);
- device_create_file(&new_client->dev,
- &sensor_dev_attr_fan1_div.dev_attr);
+ if ((err = device_create_file(&new_client->dev,
+ &sensor_dev_attr_fan1_input.dev_attr))
+ || (err = device_create_file(&new_client->dev,
+ &sensor_dev_attr_fan1_min.dev_attr))
+ || (err = device_create_file(&new_client->dev,
+ &sensor_dev_attr_fan1_div.dev_attr)))
+ goto ERROR4;
}
if (data->has_fan & (1 << 1)) {
- device_create_file(&new_client->dev,
- &sensor_dev_attr_fan2_input.dev_attr);
- device_create_file(&new_client->dev,
- &sensor_dev_attr_fan2_min.dev_attr);
- device_create_file(&new_client->dev,
- &sensor_dev_attr_fan2_div.dev_attr);
+ if ((err = device_create_file(&new_client->dev,
+ &sensor_dev_attr_fan2_input.dev_attr))
+ || (err = device_create_file(&new_client->dev,
+ &sensor_dev_attr_fan2_min.dev_attr))
+ || (err = device_create_file(&new_client->dev,
+ &sensor_dev_attr_fan2_div.dev_attr)))
+ goto ERROR4;
}
if (data->has_fan & (1 << 2)) {
- device_create_file(&new_client->dev,
- &sensor_dev_attr_fan3_input.dev_attr);
- device_create_file(&new_client->dev,
- &sensor_dev_attr_fan3_min.dev_attr);
- device_create_file(&new_client->dev,
- &sensor_dev_attr_fan3_div.dev_attr);
+ if ((err = device_create_file(&new_client->dev,
+ &sensor_dev_attr_fan3_input.dev_attr))
+ || (err = device_create_file(&new_client->dev,
+ &sensor_dev_attr_fan3_min.dev_attr))
+ || (err = device_create_file(&new_client->dev,
+ &sensor_dev_attr_fan3_div.dev_attr)))
+ goto ERROR4;
}
}
- device_create_file(&new_client->dev, &dev_attr_alarms);
if (enable_pwm_interface) {
- device_create_file(&new_client->dev, &sensor_dev_attr_pwm1_enable.dev_attr);
- device_create_file(&new_client->dev, &sensor_dev_attr_pwm2_enable.dev_attr);
- device_create_file(&new_client->dev, &sensor_dev_attr_pwm3_enable.dev_attr);
- device_create_file(&new_client->dev, &sensor_dev_attr_pwm1.dev_attr);
- device_create_file(&new_client->dev, &sensor_dev_attr_pwm2.dev_attr);
- device_create_file(&new_client->dev, &sensor_dev_attr_pwm3.dev_attr);
+ if ((err = device_create_file(&new_client->dev,
+ &sensor_dev_attr_pwm1_enable.dev_attr))
+ || (err = device_create_file(&new_client->dev,
+ &sensor_dev_attr_pwm2_enable.dev_attr))
+ || (err = device_create_file(&new_client->dev,
+ &sensor_dev_attr_pwm3_enable.dev_attr))
+ || (err = device_create_file(&new_client->dev,
+ &sensor_dev_attr_pwm1.dev_attr))
+ || (err = device_create_file(&new_client->dev,
+ &sensor_dev_attr_pwm2.dev_attr))
+ || (err = device_create_file(&new_client->dev,
+ &sensor_dev_attr_pwm3.dev_attr)))
+ goto ERROR4;
}
if (data->type == it8712 || data->type == it8716
data->vrm = vid_which_vrm();
/* VID reading from Super-I/O config space if available */
data->vid = vid_value;
- device_create_file_vrm(new_client);
- device_create_file_vid(new_client);
+ if ((err = device_create_file(&new_client->dev,
+ &dev_attr_vrm))
+ || (err = device_create_file(&new_client->dev,
+ &dev_attr_cpu0_vid)))
+ goto ERROR4;
+ }
+
+ data->class_dev = hwmon_device_register(&new_client->dev);
+ if (IS_ERR(data->class_dev)) {
+ err = PTR_ERR(data->class_dev);
+ goto ERROR4;
}
return 0;
+ERROR4:
+ sysfs_remove_group(&new_client->dev.kobj, &it87_group);
+ sysfs_remove_group(&new_client->dev.kobj, &it87_group_opt);
ERROR3:
i2c_detach_client(new_client);
ERROR2:
int err;
hwmon_device_unregister(data->class_dev);
+ sysfs_remove_group(&client->dev.kobj, &it87_group);
+ sysfs_remove_group(&client->dev.kobj, &it87_group_opt);
if ((err = i2c_detach_client(client)))
return err;
data->manual_pwm_ctl[i] = 0xff;
}
+ /* Some chips seem to have default value 0xff for all limit
+ * registers. For low voltage limits it makes no sense and triggers
+ * alarms, so change to 0 instead. For high temperature limits, it
+ * means -1 degree C, which surprisingly doesn't trigger an alarm,
+ * but is still confusing, so change to 127 degrees C. */
+ for (i = 0; i < 8; i++) {
+ tmp = it87_read_value(client, IT87_REG_VIN_MIN(i));
+ if (tmp == 0xff)
+ it87_write_value(client, IT87_REG_VIN_MIN(i), 0);
+ }
+ for (i = 0; i < 3; i++) {
+ tmp = it87_read_value(client, IT87_REG_TEMP_HIGH(i));
+ if (tmp == 0xff)
+ it87_write_value(client, IT87_REG_TEMP_HIGH(i), 127);
+ }
+
/* Check if temperature channnels are reset manually or by some reason */
tmp = it87_read_value(client, IT87_REG_TEMP_ENABLE);
if ((tmp & 0x3f) == 0) {
}
-MODULE_AUTHOR("Chris Gauthron <chrisg@0-in.com>");
+MODULE_AUTHOR("Chris Gauthron <chrisg@0-in.com>, "
+ "Jean Delvare <khali@linux-fr.org>");
MODULE_DESCRIPTION("IT8705F/8712F/8716F/8718F, SiS950 driver");
module_param(update_vbat, bool, 0);
MODULE_PARM_DESC(update_vbat, "Update vbat if set else return powerup value");
projects / linux-2.6 / blobdiff