w83791d.c - Part of lm_sensors, Linux kernel modules for hardware
monitoring
- Copyright (C) 2006 Charles Spirakis <bezaur@gmail.com>
+ Copyright (C) 2006-2007 Charles Spirakis <bezaur@gmail.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
#define NUMBER_OF_TEMPIN 3
/* Addresses to scan */
-static unsigned short normal_i2c[] = { 0x2c, 0x2d, 0x2e, 0x2f, I2C_CLIENT_END };
+static const unsigned short normal_i2c[] = { 0x2c, 0x2d, 0x2e, 0x2f,
+ I2C_CLIENT_END };
/* Insmod parameters */
I2C_CLIENT_INSMOD_1(w83791d);
struct w83791d_data {
struct i2c_client client;
- struct class_device *class_dev;
+ struct device *hwmon_dev;
struct mutex update_lock;
char valid; /* !=0 if following fields are valid */
SENSOR_ATTR(in9_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 9),
};
+
+static ssize_t show_beep(struct device *dev, struct device_attribute *attr,
+ char *buf)
+{
+ struct sensor_device_attribute *sensor_attr =
+ to_sensor_dev_attr(attr);
+ struct w83791d_data *data = w83791d_update_device(dev);
+ int bitnr = sensor_attr->index;
+
+ return sprintf(buf, "%d\n", (data->beep_mask >> bitnr) & 1);
+}
+
+static ssize_t store_beep(struct device *dev, struct device_attribute *attr,
+ const char *buf, size_t count)
+{
+ struct sensor_device_attribute *sensor_attr =
+ to_sensor_dev_attr(attr);
+ struct i2c_client *client = to_i2c_client(dev);
+ struct w83791d_data *data = i2c_get_clientdata(client);
+ int bitnr = sensor_attr->index;
+ int bytenr = bitnr / 8;
+ long val = simple_strtol(buf, NULL, 10) ? 1 : 0;
+
+ mutex_lock(&data->update_lock);
+
+ data->beep_mask &= ~(0xff << (bytenr * 8));
+ data->beep_mask |= w83791d_read(client, W83791D_REG_BEEP_CTRL[bytenr])
+ << (bytenr * 8);
+
+ data->beep_mask &= ~(1 << bitnr);
+ data->beep_mask |= val << bitnr;
+
+ w83791d_write(client, W83791D_REG_BEEP_CTRL[bytenr],
+ (data->beep_mask >> (bytenr * 8)) & 0xff);
+
+ mutex_unlock(&data->update_lock);
+
+ return count;
+}
+
+static ssize_t show_alarm(struct device *dev, struct device_attribute *attr,
+ char *buf)
+{
+ struct sensor_device_attribute *sensor_attr =
+ to_sensor_dev_attr(attr);
+ struct w83791d_data *data = w83791d_update_device(dev);
+ int bitnr = sensor_attr->index;
+
+ return sprintf(buf, "%d\n", (data->alarms >> bitnr) & 1);
+}
+
+/* Note: The bitmask for the beep enable/disable is different than
+ the bitmask for the alarm. */
+static struct sensor_device_attribute sda_in_beep[] = {
+ SENSOR_ATTR(in0_beep, S_IWUSR | S_IRUGO, show_beep, store_beep, 0),
+ SENSOR_ATTR(in1_beep, S_IWUSR | S_IRUGO, show_beep, store_beep, 13),
+ SENSOR_ATTR(in2_beep, S_IWUSR | S_IRUGO, show_beep, store_beep, 2),
+ SENSOR_ATTR(in3_beep, S_IWUSR | S_IRUGO, show_beep, store_beep, 3),
+ SENSOR_ATTR(in4_beep, S_IWUSR | S_IRUGO, show_beep, store_beep, 8),
+ SENSOR_ATTR(in5_beep, S_IWUSR | S_IRUGO, show_beep, store_beep, 9),
+ SENSOR_ATTR(in6_beep, S_IWUSR | S_IRUGO, show_beep, store_beep, 10),
+ SENSOR_ATTR(in7_beep, S_IWUSR | S_IRUGO, show_beep, store_beep, 16),
+ SENSOR_ATTR(in8_beep, S_IWUSR | S_IRUGO, show_beep, store_beep, 17),
+ SENSOR_ATTR(in9_beep, S_IWUSR | S_IRUGO, show_beep, store_beep, 14),
+};
+
+static struct sensor_device_attribute sda_in_alarm[] = {
+ SENSOR_ATTR(in0_alarm, S_IRUGO, show_alarm, NULL, 0),
+ SENSOR_ATTR(in1_alarm, S_IRUGO, show_alarm, NULL, 1),
+ SENSOR_ATTR(in2_alarm, S_IRUGO, show_alarm, NULL, 2),
+ SENSOR_ATTR(in3_alarm, S_IRUGO, show_alarm, NULL, 3),
+ SENSOR_ATTR(in4_alarm, S_IRUGO, show_alarm, NULL, 8),
+ SENSOR_ATTR(in5_alarm, S_IRUGO, show_alarm, NULL, 9),
+ SENSOR_ATTR(in6_alarm, S_IRUGO, show_alarm, NULL, 10),
+ SENSOR_ATTR(in7_alarm, S_IRUGO, show_alarm, NULL, 19),
+ SENSOR_ATTR(in8_alarm, S_IRUGO, show_alarm, NULL, 20),
+ SENSOR_ATTR(in9_alarm, S_IRUGO, show_alarm, NULL, 14),
+};
+
#define show_fan_reg(reg) \
static ssize_t show_##reg(struct device *dev, struct device_attribute *attr, \
char *buf) \
show_fan_div, store_fan_div, 4),
};
+static struct sensor_device_attribute sda_fan_beep[] = {
+ SENSOR_ATTR(fan1_beep, S_IWUSR | S_IRUGO, show_beep, store_beep, 6),
+ SENSOR_ATTR(fan2_beep, S_IWUSR | S_IRUGO, show_beep, store_beep, 7),
+ SENSOR_ATTR(fan3_beep, S_IWUSR | S_IRUGO, show_beep, store_beep, 11),
+ SENSOR_ATTR(fan4_beep, S_IWUSR | S_IRUGO, show_beep, store_beep, 21),
+ SENSOR_ATTR(fan5_beep, S_IWUSR | S_IRUGO, show_beep, store_beep, 22),
+};
+
+static struct sensor_device_attribute sda_fan_alarm[] = {
+ SENSOR_ATTR(fan1_alarm, S_IRUGO, show_alarm, NULL, 6),
+ SENSOR_ATTR(fan2_alarm, S_IRUGO, show_alarm, NULL, 7),
+ SENSOR_ATTR(fan3_alarm, S_IRUGO, show_alarm, NULL, 11),
+ SENSOR_ATTR(fan4_alarm, S_IRUGO, show_alarm, NULL, 21),
+ SENSOR_ATTR(fan5_alarm, S_IRUGO, show_alarm, NULL, 22),
+};
+
/* read/write the temperature1, includes measured value and limits */
static ssize_t show_temp1(struct device *dev, struct device_attribute *devattr,
char *buf)
show_temp23, store_temp23, 1, 2),
};
+/* Note: The bitmask for the beep enable/disable is different than
+ the bitmask for the alarm. */
+static struct sensor_device_attribute sda_temp_beep[] = {
+ SENSOR_ATTR(temp1_beep, S_IWUSR | S_IRUGO, show_beep, store_beep, 4),
+ SENSOR_ATTR(temp2_beep, S_IWUSR | S_IRUGO, show_beep, store_beep, 5),
+ SENSOR_ATTR(temp3_beep, S_IWUSR | S_IRUGO, show_beep, store_beep, 1),
+};
+
+static struct sensor_device_attribute sda_temp_alarm[] = {
+ SENSOR_ATTR(temp1_alarm, S_IRUGO, show_alarm, NULL, 4),
+ SENSOR_ATTR(temp2_alarm, S_IRUGO, show_alarm, NULL, 5),
+ SENSOR_ATTR(temp3_alarm, S_IRUGO, show_alarm, NULL, 13),
+};
/* get reatime status of all sensors items: voltage, temp, fan */
static ssize_t show_alarms_reg(struct device *dev,
static ssize_t show_vrm_reg(struct device *dev,
struct device_attribute *attr, char *buf)
{
- struct w83791d_data *data = w83791d_update_device(dev);
+ struct w83791d_data *data = dev_get_drvdata(dev);
return sprintf(buf, "%d\n", data->vrm);
}
struct device_attribute *attr,
const char *buf, size_t count)
{
- struct i2c_client *client = to_i2c_client(dev);
- struct w83791d_data *data = i2c_get_clientdata(client);
- unsigned long val = simple_strtoul(buf, NULL, 10);
+ struct w83791d_data *data = dev_get_drvdata(dev);
/* No lock needed as vrm is internal to the driver
(not read from a chip register) and so is not
updated in w83791d_update_device() */
- data->vrm = val;
+ data->vrm = simple_strtoul(buf, NULL, 10);
return count;
}
static DEVICE_ATTR(vrm, S_IRUGO | S_IWUSR, show_vrm_reg, store_vrm_reg);
+#define IN_UNIT_ATTRS(X) \
+ &sda_in_input[X].dev_attr.attr, \
+ &sda_in_min[X].dev_attr.attr, \
+ &sda_in_max[X].dev_attr.attr, \
+ &sda_in_beep[X].dev_attr.attr, \
+ &sda_in_alarm[X].dev_attr.attr
+
+#define FAN_UNIT_ATTRS(X) \
+ &sda_fan_input[X].dev_attr.attr, \
+ &sda_fan_min[X].dev_attr.attr, \
+ &sda_fan_div[X].dev_attr.attr, \
+ &sda_fan_beep[X].dev_attr.attr, \
+ &sda_fan_alarm[X].dev_attr.attr
+
+#define TEMP_UNIT_ATTRS(X) \
+ &sda_temp_input[X].dev_attr.attr, \
+ &sda_temp_max[X].dev_attr.attr, \
+ &sda_temp_max_hyst[X].dev_attr.attr, \
+ &sda_temp_beep[X].dev_attr.attr, \
+ &sda_temp_alarm[X].dev_attr.attr
+
+static struct attribute *w83791d_attributes[] = {
+ IN_UNIT_ATTRS(0),
+ IN_UNIT_ATTRS(1),
+ IN_UNIT_ATTRS(2),
+ IN_UNIT_ATTRS(3),
+ IN_UNIT_ATTRS(4),
+ IN_UNIT_ATTRS(5),
+ IN_UNIT_ATTRS(6),
+ IN_UNIT_ATTRS(7),
+ IN_UNIT_ATTRS(8),
+ IN_UNIT_ATTRS(9),
+ FAN_UNIT_ATTRS(0),
+ FAN_UNIT_ATTRS(1),
+ FAN_UNIT_ATTRS(2),
+ FAN_UNIT_ATTRS(3),
+ FAN_UNIT_ATTRS(4),
+ TEMP_UNIT_ATTRS(0),
+ TEMP_UNIT_ATTRS(1),
+ TEMP_UNIT_ATTRS(2),
+ &dev_attr_alarms.attr,
+ &sda_beep_ctrl[0].dev_attr.attr,
+ &sda_beep_ctrl[1].dev_attr.attr,
+ &dev_attr_cpu0_vid.attr,
+ &dev_attr_vrm.attr,
+ NULL
+};
+
+static const struct attribute_group w83791d_group = {
+ .attrs = w83791d_attributes,
+};
+
/* This function is called when:
* w83791d_driver is inserted (when this module is loaded), for each
available adapter
if (kind == w83791d) {
client_name = "w83791d";
} else {
- dev_err(dev, "w83791d: Internal error: unknown kind (%d)?!?",
+ dev_err(dev, "w83791d: Internal error: unknown kind (%d)?!?\n",
kind);
goto error1;
}
}
/* Register sysfs hooks */
- data->class_dev = hwmon_device_register(dev);
- if (IS_ERR(data->class_dev)) {
- err = PTR_ERR(data->class_dev);
+ if ((err = sysfs_create_group(&client->dev.kobj, &w83791d_group)))
goto error3;
- }
-
- for (i = 0; i < NUMBER_OF_VIN; i++) {
- device_create_file(dev, &sda_in_input[i].dev_attr);
- device_create_file(dev, &sda_in_min[i].dev_attr);
- device_create_file(dev, &sda_in_max[i].dev_attr);
- }
-
- for (i = 0; i < NUMBER_OF_FANIN; i++) {
- device_create_file(dev, &sda_fan_input[i].dev_attr);
- device_create_file(dev, &sda_fan_div[i].dev_attr);
- device_create_file(dev, &sda_fan_min[i].dev_attr);
- }
-
- for (i = 0; i < NUMBER_OF_TEMPIN; i++) {
- device_create_file(dev, &sda_temp_input[i].dev_attr);
- device_create_file(dev, &sda_temp_max[i].dev_attr);
- device_create_file(dev, &sda_temp_max_hyst[i].dev_attr);
- }
-
- device_create_file(dev, &dev_attr_alarms);
- for (i = 0; i < ARRAY_SIZE(sda_beep_ctrl); i++) {
- device_create_file(dev, &sda_beep_ctrl[i].dev_attr);
+ /* Everything is ready, now register the working device */
+ data->hwmon_dev = hwmon_device_register(dev);
+ if (IS_ERR(data->hwmon_dev)) {
+ err = PTR_ERR(data->hwmon_dev);
+ goto error4;
}
- device_create_file(dev, &dev_attr_cpu0_vid);
- device_create_file(dev, &dev_attr_vrm);
-
return 0;
+error4:
+ sysfs_remove_group(&client->dev.kobj, &w83791d_group);
error3:
if (data->lm75[0] != NULL) {
i2c_detach_client(data->lm75[0]);
int err;
/* main client */
- if (data)
- hwmon_device_unregister(data->class_dev);
+ if (data) {
+ hwmon_device_unregister(data->hwmon_dev);
+ sysfs_remove_group(&client->dev.kobj, &w83791d_group);
+ }
if ((err = i2c_detach_client(client)))
return err;
projects / linux-2.6-omap-h63xx.git / blobdiff