#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;
struct pc87360_data {
struct i2c_client client;
struct class_device *class_dev;
- struct semaphore lock;
- struct semaphore update_lock;
+ struct mutex lock;
+ struct mutex update_lock;
char valid; /* !=0 if following fields are valid */
unsigned long last_updated; /* In jiffies */
static struct i2c_driver pc87360_driver = {
.driver = {
+ .owner = THIS_MODULE,
.name = "pc87360",
},
.attach_adapter = pc87360_detect,
struct pc87360_data *data = i2c_get_clientdata(client);
long fan_min = simple_strtol(buf, NULL, 10);
- down(&data->update_lock);
+ 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 */
/* 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);
- up(&data->update_lock);
+ mutex_unlock(&data->update_lock);
return count;
}
SENSOR_ATTR(fan3_min, S_IWUSR | S_IRUGO, show_fan_min, set_fan_min, 2),
};
+#define FAN_UNIT_ATTRS(X) \
+ &fan_input[X].dev_attr.attr, \
+ &fan_status[X].dev_attr.attr, \
+ &fan_div[X].dev_attr.attr, \
+ &fan_min[X].dev_attr.attr
+
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 = i2c_get_clientdata(client);
long val = simple_strtol(buf, NULL, 10);
- down(&data->update_lock);
+ 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]);
- up(&data->update_lock);
+ mutex_unlock(&data->update_lock);
return count;
}
SENSOR_ATTR(pwm3, S_IWUSR | S_IRUGO, show_pwm, set_pwm, 2),
};
+static struct attribute * pc8736x_fan_attr_array[] = {
+ FAN_UNIT_ATTRS(0),
+ FAN_UNIT_ATTRS(1),
+ FAN_UNIT_ATTRS(2),
+ &pwm[0].dev_attr.attr,
+ &pwm[1].dev_attr.attr,
+ &pwm[2].dev_attr.attr,
+ NULL
+};
+static const struct attribute_group pc8736x_fan_group = {
+ .attrs = pc8736x_fan_attr_array,
+};
+
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 = i2c_get_clientdata(client);
long val = simple_strtol(buf, NULL, 10);
- down(&data->update_lock);
+ 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]);
- up(&data->update_lock);
+ mutex_unlock(&data->update_lock);
return count;
}
static ssize_t set_in_max(struct device *dev, struct device_attribute *devattr, const char *buf,
struct pc87360_data *data = i2c_get_clientdata(client);
long val = simple_strtol(buf, NULL, 10);
- down(&data->update_lock);
+ 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]);
- up(&data->update_lock);
+ mutex_unlock(&data->update_lock);
return count;
}
SENSOR_ATTR(in10_max, S_IWUSR | S_IRUGO, show_in_max, set_in_max, 10),
};
+#define VIN_UNIT_ATTRS(X) \
+ &in_input[X].dev_attr.attr, \
+ &in_status[X].dev_attr.attr, \
+ &in_min[X].dev_attr.attr, \
+ &in_max[X].dev_attr.attr
+
+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 struct attribute *pc8736x_vin_attr_array[] = {
+ VIN_UNIT_ATTRS(0),
+ VIN_UNIT_ATTRS(1),
+ VIN_UNIT_ATTRS(2),
+ VIN_UNIT_ATTRS(3),
+ VIN_UNIT_ATTRS(4),
+ VIN_UNIT_ATTRS(5),
+ VIN_UNIT_ATTRS(6),
+ VIN_UNIT_ATTRS(7),
+ VIN_UNIT_ATTRS(8),
+ VIN_UNIT_ATTRS(9),
+ VIN_UNIT_ATTRS(10),
+ &dev_attr_cpu0_vid.attr,
+ &dev_attr_vrm.attr,
+ &dev_attr_alarms_in.attr,
+ NULL
+};
+static const struct attribute_group pc8736x_vin_group = {
+ .attrs = pc8736x_vin_attr_array,
+};
+
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 = i2c_get_clientdata(client);
long val = simple_strtol(buf, NULL, 10);
- down(&data->update_lock);
+ 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]);
- up(&data->update_lock);
+ mutex_unlock(&data->update_lock);
return count;
}
static ssize_t set_therm_max(struct device *dev, struct device_attribute *devattr, const char *buf,
struct pc87360_data *data = i2c_get_clientdata(client);
long val = simple_strtol(buf, NULL, 10);
- down(&data->update_lock);
+ 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]);
- up(&data->update_lock);
+ mutex_unlock(&data->update_lock);
return count;
}
static ssize_t set_therm_crit(struct device *dev, struct device_attribute *devattr, const char *buf,
struct pc87360_data *data = i2c_get_clientdata(client);
long val = simple_strtol(buf, NULL, 10);
- down(&data->update_lock);
+ 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]);
- up(&data->update_lock);
+ mutex_unlock(&data->update_lock);
return count;
}
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);
+#define THERM_UNIT_ATTRS(X) \
+ &therm_input[X].dev_attr.attr, \
+ &therm_status[X].dev_attr.attr, \
+ &therm_min[X].dev_attr.attr, \
+ &therm_max[X].dev_attr.attr, \
+ &therm_crit[X].dev_attr.attr
+
+static struct attribute * pc8736x_therm_attr_array[] = {
+ THERM_UNIT_ATTRS(0),
+ THERM_UNIT_ATTRS(1),
+ THERM_UNIT_ATTRS(2),
+ NULL
+};
+static const struct attribute_group pc8736x_therm_group = {
+ .attrs = pc8736x_therm_attr_array,
+};
static ssize_t show_temp_input(struct device *dev, struct device_attribute *devattr, char *buf)
{
struct pc87360_data *data = i2c_get_clientdata(client);
long val = simple_strtol(buf, NULL, 10);
- down(&data->update_lock);
+ 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]);
- up(&data->update_lock);
+ mutex_unlock(&data->update_lock);
return count;
}
static ssize_t set_temp_max(struct device *dev, struct device_attribute *devattr, const char *buf,
struct pc87360_data *data = i2c_get_clientdata(client);
long val = simple_strtol(buf, NULL, 10);
- down(&data->update_lock);
+ 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]);
- up(&data->update_lock);
+ mutex_unlock(&data->update_lock);
return count;
}
static ssize_t set_temp_crit(struct device *dev, struct device_attribute *devattr, const char *buf,
struct pc87360_data *data = i2c_get_clientdata(client);
long val = simple_strtol(buf, NULL, 10);
- down(&data->update_lock);
+ 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]);
- up(&data->update_lock);
+ mutex_unlock(&data->update_lock);
return count;
}
}
static DEVICE_ATTR(alarms_temp, S_IRUGO, show_temp_alarms, NULL);
+#define TEMP_UNIT_ATTRS(X) \
+ &temp_input[X].dev_attr.attr, \
+ &temp_status[X].dev_attr.attr, \
+ &temp_min[X].dev_attr.attr, \
+ &temp_max[X].dev_attr.attr, \
+ &temp_crit[X].dev_attr.attr
+
+static struct attribute * pc8736x_temp_attr_array[] = {
+ TEMP_UNIT_ATTRS(0),
+ TEMP_UNIT_ATTRS(1),
+ TEMP_UNIT_ATTRS(2),
+ /* include the few miscellaneous atts here */
+ &dev_attr_alarms_temp.attr,
+ NULL
+};
+static const struct attribute_group pc8736x_temp_group = {
+ .attrs = pc8736x_temp_attr_array,
+};
+
/*
* Device detection, registration and update
*/
dev = &client->dev;
i2c_set_clientdata(client, data);
client->addr = address;
- init_MUTEX(&data->lock);
+ mutex_init(&data->lock);
client->adapter = adapter;
client->driver = &pc87360_driver;
client->flags = 0;
strlcpy(client->name, name, sizeof(client->name));
data->valid = 0;
- init_MUTEX(&data->update_lock);
+ mutex_init(&data->update_lock);
for (i = 0; i < 3; i++) {
if (((data->address[i] = extra_isa[i]))
(i&0x02) ? "external" : "internal");
data->vid_conf = confreg[3];
- data->vrm = 90;
+ data->vrm = vid_which_vrm();
}
/* Fan clock dividers may be needed before any data is read */
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);
+ /* Register all-or-nothing sysfs groups */
+
+ if (data->innr &&
+ (err = sysfs_create_group(&client->dev.kobj,
+ &pc8736x_vin_group)))
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->innr == 14 &&
+ (err = sysfs_create_group(&client->dev.kobj,
+ &pc8736x_therm_group)))
+ goto ERROR3;
+
+ /* create device attr-files for varying sysfs groups */
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);
+ if ((err = device_create_file(dev,
+ &temp_input[i].dev_attr))
+ || (err = device_create_file(dev,
+ &temp_min[i].dev_attr))
+ || (err = device_create_file(dev,
+ &temp_max[i].dev_attr))
+ || (err = device_create_file(dev,
+ &temp_crit[i].dev_attr))
+ || (err = device_create_file(dev,
+ &temp_status[i].dev_attr)))
+ goto ERROR3;
}
+ if ((err = device_create_file(dev, &dev_attr_alarms_temp)))
+ goto ERROR3;
}
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);
+ if (FAN_CONFIG_MONITOR(data->fan_conf, i)
+ && ((err = device_create_file(dev,
+ &fan_input[i].dev_attr))
+ || (err = device_create_file(dev,
+ &fan_min[i].dev_attr))
+ || (err = device_create_file(dev,
+ &fan_div[i].dev_attr))
+ || (err = device_create_file(dev,
+ &fan_status[i].dev_attr))))
+ goto ERROR3;
+
+ if (FAN_CONFIG_CONTROL(data->fan_conf, i)
+ && (err = device_create_file(dev, &pwm[i].dev_attr)))
+ goto ERROR3;
}
+ data->class_dev = hwmon_device_register(&client->dev);
+ if (IS_ERR(data->class_dev)) {
+ err = PTR_ERR(data->class_dev);
+ goto ERROR3;
+ }
return 0;
ERROR3:
+ /* can still remove groups whose members were added individually */
+ sysfs_remove_group(&client->dev.kobj, &pc8736x_temp_group);
+ sysfs_remove_group(&client->dev.kobj, &pc8736x_fan_group);
+ sysfs_remove_group(&client->dev.kobj, &pc8736x_therm_group);
+ sysfs_remove_group(&client->dev.kobj, &pc8736x_vin_group);
+
i2c_detach_client(client);
ERROR2:
for (i = 0; i < 3; i++) {
hwmon_device_unregister(data->class_dev);
+ sysfs_remove_group(&client->dev.kobj, &pc8736x_temp_group);
+ sysfs_remove_group(&client->dev.kobj, &pc8736x_fan_group);
+ sysfs_remove_group(&client->dev.kobj, &pc8736x_therm_group);
+ sysfs_remove_group(&client->dev.kobj, &pc8736x_vin_group);
+
if ((i = i2c_detach_client(client)))
return i;
{
int res;
- down(&(data->lock));
+ mutex_lock(&(data->lock));
if (bank != NO_BANK)
outb_p(bank, data->address[ldi] + PC87365_REG_BANK);
res = inb_p(data->address[ldi] + reg);
- up(&(data->lock));
+ mutex_unlock(&(data->lock));
return res;
}
static void pc87360_write_value(struct pc87360_data *data, u8 ldi, u8 bank,
u8 reg, u8 value)
{
- down(&(data->lock));
+ mutex_lock(&(data->lock));
if (bank != NO_BANK)
outb_p(bank, data->address[ldi] + PC87365_REG_BANK);
outb_p(value, data->address[ldi] + reg);
- up(&(data->lock));
+ mutex_unlock(&(data->lock));
}
static void pc87360_init_client(struct i2c_client *client, int use_thermistors)
struct pc87360_data *data = i2c_get_clientdata(client);
u8 i;
- down(&data->update_lock);
+ mutex_lock(&data->update_lock);
if (time_after(jiffies, data->last_updated + HZ * 2) || !data->valid) {
dev_dbg(&client->dev, "Data update\n");
data->valid = 1;
}
- up(&data->update_lock);
+ mutex_unlock(&data->update_lock);
return data;
}
projects / powerpc.git / blobdiff