#include <linux/mutex.h>
/* Addresses to scan */
-static unsigned short normal_i2c[] = { 0x28, 0x29, 0x2a, 0x2b, 0x2c,
- 0x2d, 0x2e, 0x2f, I2C_CLIENT_END };
-
-/* Insmod parameters */
-I2C_CLIENT_INSMOD_1(lm80);
+static const unsigned short normal_i2c[] = { 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d,
+ 0x2e, 0x2f, I2C_CLIENT_END };
/* Many LM80 constants specified below */
*/
struct lm80_data {
- struct i2c_client client;
struct device *hwmon_dev;
struct mutex update_lock;
char valid; /* !=0 if following fields are valid */
* Functions declaration
*/
-static int lm80_attach_adapter(struct i2c_adapter *adapter);
-static int lm80_detect(struct i2c_adapter *adapter, int address, int kind);
+static int lm80_probe(struct i2c_client *client,
+ const struct i2c_device_id *id);
+static int lm80_detect(struct i2c_client *client, struct i2c_board_info *info);
static void lm80_init_client(struct i2c_client *client);
-static int lm80_detach_client(struct i2c_client *client);
+static int lm80_remove(struct i2c_client *client);
static struct lm80_data *lm80_update_device(struct device *dev);
static int lm80_read_value(struct i2c_client *client, u8 reg);
static int lm80_write_value(struct i2c_client *client, u8 reg, u8 value);
* Driver data (common to all clients)
*/
+static const struct i2c_device_id lm80_id[] = {
+ { "lm80", 0 },
+ { }
+};
+MODULE_DEVICE_TABLE(i2c, lm80_id);
+
static struct i2c_driver lm80_driver = {
+ .class = I2C_CLASS_HWMON,
.driver = {
.name = "lm80",
},
- .attach_adapter = lm80_attach_adapter,
- .detach_client = lm80_detach_client,
+ .probe = lm80_probe,
+ .remove = lm80_remove,
+ .id_table = lm80_id,
+ .detect = lm80_detect,
+ .address_list = normal_i2c,
};
/*
return sprintf(buf, "%u\n", data->alarms);
}
+static ssize_t show_alarm(struct device *dev, struct device_attribute *attr,
+ char *buf)
+{
+ int bitnr = to_sensor_dev_attr(attr)->index;
+ struct lm80_data *data = lm80_update_device(dev);
+ return sprintf(buf, "%u\n", (data->alarms >> bitnr) & 1);
+}
+
static SENSOR_DEVICE_ATTR(in0_min, S_IWUSR | S_IRUGO,
show_in_min, set_in_min, 0);
static SENSOR_DEVICE_ATTR(in1_min, S_IWUSR | S_IRUGO,
static DEVICE_ATTR(temp1_crit_hyst, S_IWUSR | S_IRUGO, show_temp_os_hyst,
set_temp_os_hyst);
static DEVICE_ATTR(alarms, S_IRUGO, show_alarms, NULL);
+static SENSOR_DEVICE_ATTR(in0_alarm, S_IRUGO, show_alarm, NULL, 0);
+static SENSOR_DEVICE_ATTR(in1_alarm, S_IRUGO, show_alarm, NULL, 1);
+static SENSOR_DEVICE_ATTR(in2_alarm, S_IRUGO, show_alarm, NULL, 2);
+static SENSOR_DEVICE_ATTR(in3_alarm, S_IRUGO, show_alarm, NULL, 3);
+static SENSOR_DEVICE_ATTR(in4_alarm, S_IRUGO, show_alarm, NULL, 4);
+static SENSOR_DEVICE_ATTR(in5_alarm, S_IRUGO, show_alarm, NULL, 5);
+static SENSOR_DEVICE_ATTR(in6_alarm, S_IRUGO, show_alarm, NULL, 6);
+static SENSOR_DEVICE_ATTR(fan1_alarm, S_IRUGO, show_alarm, NULL, 10);
+static SENSOR_DEVICE_ATTR(fan2_alarm, S_IRUGO, show_alarm, NULL, 11);
+static SENSOR_DEVICE_ATTR(temp1_max_alarm, S_IRUGO, show_alarm, NULL, 8);
+static SENSOR_DEVICE_ATTR(temp1_crit_alarm, S_IRUGO, show_alarm, NULL, 13);
/*
* Real code
*/
-static int lm80_attach_adapter(struct i2c_adapter *adapter)
-{
- if (!(adapter->class & I2C_CLASS_HWMON))
- return 0;
- return i2c_probe(adapter, &addr_data, lm80_detect);
-}
-
static struct attribute *lm80_attributes[] = {
&sensor_dev_attr_in0_min.dev_attr.attr,
&sensor_dev_attr_in1_min.dev_attr.attr,
&dev_attr_temp1_crit.attr,
&dev_attr_temp1_crit_hyst.attr,
&dev_attr_alarms.attr,
-
+ &sensor_dev_attr_in0_alarm.dev_attr.attr,
+ &sensor_dev_attr_in1_alarm.dev_attr.attr,
+ &sensor_dev_attr_in2_alarm.dev_attr.attr,
+ &sensor_dev_attr_in3_alarm.dev_attr.attr,
+ &sensor_dev_attr_in4_alarm.dev_attr.attr,
+ &sensor_dev_attr_in5_alarm.dev_attr.attr,
+ &sensor_dev_attr_in6_alarm.dev_attr.attr,
+ &sensor_dev_attr_fan1_alarm.dev_attr.attr,
+ &sensor_dev_attr_fan2_alarm.dev_attr.attr,
+ &sensor_dev_attr_temp1_max_alarm.dev_attr.attr,
+ &sensor_dev_attr_temp1_crit_alarm.dev_attr.attr,
NULL
};
.attrs = lm80_attributes,
};
-static int lm80_detect(struct i2c_adapter *adapter, int address, int kind)
+/* Return 0 if detection is successful, -ENODEV otherwise */
+static int lm80_detect(struct i2c_client *client, struct i2c_board_info *info)
{
+ struct i2c_adapter *adapter = client->adapter;
int i, cur;
- struct i2c_client *client;
- struct lm80_data *data;
- int err = 0;
- const char *name;
if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA))
- goto exit;
-
- /* OK. For now, we presume we have a valid client. We now create the
- client structure, even though we cannot fill it completely yet.
- But it allows us to access lm80_{read,write}_value. */
- if (!(data = kzalloc(sizeof(struct lm80_data), GFP_KERNEL))) {
- err = -ENOMEM;
- goto exit;
- }
-
- client = &data->client;
- i2c_set_clientdata(client, data);
- client->addr = address;
- client->adapter = adapter;
- client->driver = &lm80_driver;
+ return -ENODEV;
/* Now, we do the remaining detection. It is lousy. */
if (lm80_read_value(client, LM80_REG_ALARM2) & 0xc0)
- goto error_free;
+ return -ENODEV;
for (i = 0x2a; i <= 0x3d; i++) {
cur = i2c_smbus_read_byte_data(client, i);
if ((i2c_smbus_read_byte_data(client, i + 0x40) != cur)
|| (i2c_smbus_read_byte_data(client, i + 0x80) != cur)
|| (i2c_smbus_read_byte_data(client, i + 0xc0) != cur))
- goto error_free;
+ return -ENODEV;
}
- /* Determine the chip type - only one kind supported! */
- kind = lm80;
- name = "lm80";
+ strlcpy(info->type, "lm80", I2C_NAME_SIZE);
- /* Fill in the remaining client fields */
- strlcpy(client->name, name, I2C_NAME_SIZE);
- mutex_init(&data->update_lock);
+ return 0;
+}
- /* Tell the I2C layer a new client has arrived */
- if ((err = i2c_attach_client(client)))
- goto error_free;
+static int lm80_probe(struct i2c_client *client,
+ const struct i2c_device_id *id)
+{
+ struct lm80_data *data;
+ int err;
+
+ data = kzalloc(sizeof(struct lm80_data), GFP_KERNEL);
+ if (!data) {
+ err = -ENOMEM;
+ goto exit;
+ }
+
+ i2c_set_clientdata(client, data);
+ mutex_init(&data->update_lock);
/* Initialize the LM80 chip */
lm80_init_client(client);
/* Register sysfs hooks */
if ((err = sysfs_create_group(&client->dev.kobj, &lm80_group)))
- goto error_detach;
+ goto error_free;
data->hwmon_dev = hwmon_device_register(&client->dev);
if (IS_ERR(data->hwmon_dev)) {
error_remove:
sysfs_remove_group(&client->dev.kobj, &lm80_group);
-error_detach:
- i2c_detach_client(client);
error_free:
kfree(data);
exit:
return err;
}
-static int lm80_detach_client(struct i2c_client *client)
+static int lm80_remove(struct i2c_client *client)
{
struct lm80_data *data = i2c_get_clientdata(client);
- int err;
hwmon_device_unregister(data->hwmon_dev);
sysfs_remove_group(&client->dev.kobj, &lm80_group);
- if ((err = i2c_detach_client(client)))
- return err;
kfree(data);
return 0;
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff