#define ADT7473_REG_BASE_ADDR 0x20
#define ADT7473_REG_VOLT_BASE_ADDR 0x21
-#define ADT7473_REG_VOLT_MAX_ADDR 0x22
#define ADT7473_REG_VOLT_MIN_BASE_ADDR 0x46
-#define ADT7473_REG_VOLT_MIN_MAX_ADDR 0x49
#define ADT7473_REG_TEMP_BASE_ADDR 0x25
-#define ADT7473_REG_TEMP_MAX_ADDR 0x27
#define ADT7473_REG_TEMP_LIMITS_BASE_ADDR 0x4E
-#define ADT7473_REG_TEMP_LIMITS_MAX_ADDR 0x53
#define ADT7473_REG_TEMP_TMIN_BASE_ADDR 0x67
-#define ADT7473_REG_TEMP_TMIN_MAX_ADDR 0x69
#define ADT7473_REG_TEMP_TMAX_BASE_ADDR 0x6A
-#define ADT7473_REG_TEMP_TMAX_MAX_ADDR 0x6C
#define ADT7473_REG_FAN_BASE_ADDR 0x28
-#define ADT7473_REG_FAN_MAX_ADDR 0x2F
#define ADT7473_REG_FAN_MIN_BASE_ADDR 0x54
-#define ADT7473_REG_FAN_MIN_MAX_ADDR 0x5B
#define ADT7473_REG_PWM_BASE_ADDR 0x30
-#define ADT7473_REG_PWM_MAX_ADDR 0x32
#define ADT7473_REG_PWM_MIN_BASE_ADDR 0x64
-#define ADT7473_REG_PWM_MIN_MAX_ADDR 0x66
#define ADT7473_REG_PWM_MAX_BASE_ADDR 0x38
-#define ADT7473_REG_PWM_MAX_MAX_ADDR 0x3A
#define ADT7473_REG_PWM_BHVR_BASE_ADDR 0x5C
-#define ADT7473_REG_PWM_BHVR_MAX_ADDR 0x5E
#define ADT7473_PWM_BHVR_MASK 0xE0
#define ADT7473_PWM_BHVR_SHIFT 5
#define ADT7473_FAN4_ALARM 0x20
#define ADT7473_R1T_SHORT 0x40
#define ADT7473_R2T_SHORT 0x80
-#define ADT7473_REG_MAX_ADDR 0x80
#define ALARM2(x) ((x) << 8)
#define FAN_DATA_VALID(x) ((x) && (x) != FAN_PERIOD_INVALID)
struct adt7473_data {
- struct i2c_client client;
struct device *hwmon_dev;
struct attribute_group attrs;
struct mutex lock;
u8 max_duty_at_overheat;
};
-static int adt7473_attach_adapter(struct i2c_adapter *adapter);
-static int adt7473_detect(struct i2c_adapter *adapter, int address, int kind);
-static int adt7473_detach_client(struct i2c_client *client);
+static int adt7473_probe(struct i2c_client *client,
+ const struct i2c_device_id *id);
+static int adt7473_detect(struct i2c_client *client, int kind,
+ struct i2c_board_info *info);
+static int adt7473_remove(struct i2c_client *client);
+
+static const struct i2c_device_id adt7473_id[] = {
+ { "adt7473", adt7473 },
+ { }
+};
+MODULE_DEVICE_TABLE(i2c, adt7473_id);
static struct i2c_driver adt7473_driver = {
+ .class = I2C_CLASS_HWMON,
.driver = {
.name = "adt7473",
},
- .attach_adapter = adt7473_attach_adapter,
- .detach_client = adt7473_detach_client,
+ .probe = adt7473_probe,
+ .remove = adt7473_remove,
+ .id_table = adt7473_id,
+ .detect = adt7473_detect,
+ .address_data = &addr_data,
};
/*
struct i2c_client *client = to_i2c_client(dev);
struct adt7473_data *data = i2c_get_clientdata(client);
int temp = simple_strtol(buf, NULL, 10);
- temp = temp && 0xFF;
mutex_lock(&data->lock);
- data->max_duty_at_overheat = temp;
+ data->max_duty_at_overheat = !!temp;
reg = i2c_smbus_read_byte_data(client, ADT7473_REG_CFG4);
if (temp)
reg |= ADT7473_CFG4_MAX_DUTY_AT_OVT;
NULL
};
-static int adt7473_attach_adapter(struct i2c_adapter *adapter)
+/* Return 0 if detection is successful, -ENODEV otherwise */
+static int adt7473_detect(struct i2c_client *client, int kind,
+ struct i2c_board_info *info)
{
- if (!(adapter->class & I2C_CLASS_HWMON))
- return 0;
- return i2c_probe(adapter, &addr_data, adt7473_detect);
-}
-
-static int adt7473_detect(struct i2c_adapter *adapter, int address, int kind)
-{
- struct i2c_client *client;
- struct adt7473_data *data;
- int err = 0;
+ struct i2c_adapter *adapter = client->adapter;
if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA))
- goto exit;
-
- data = kzalloc(sizeof(struct adt7473_data), GFP_KERNEL);
- if (!data) {
- err = -ENOMEM;
- goto exit;
- }
-
- client = &data->client;
- client->addr = address;
- client->adapter = adapter;
- client->driver = &adt7473_driver;
-
- i2c_set_clientdata(client, data);
-
- mutex_init(&data->lock);
+ return -ENODEV;
if (kind <= 0) {
int vendor, device, revision;
vendor = i2c_smbus_read_byte_data(client, ADT7473_REG_VENDOR);
- if (vendor != ADT7473_VENDOR) {
- err = -ENODEV;
- goto exit_free;
- }
+ if (vendor != ADT7473_VENDOR)
+ return -ENODEV;
device = i2c_smbus_read_byte_data(client, ADT7473_REG_DEVICE);
- if (device != ADT7473_DEVICE) {
- err = -ENODEV;
- goto exit_free;
- }
+ if (device != ADT7473_DEVICE)
+ return -ENODEV;
revision = i2c_smbus_read_byte_data(client,
ADT7473_REG_REVISION);
- if (revision != ADT7473_REV_68 && revision != ADT7473_REV_69) {
- err = -ENODEV;
- goto exit_free;
- }
+ if (revision != ADT7473_REV_68 && revision != ADT7473_REV_69)
+ return -ENODEV;
} else
dev_dbg(&adapter->dev, "detection forced\n");
- strlcpy(client->name, "adt7473", I2C_NAME_SIZE);
+ strlcpy(info->type, "adt7473", I2C_NAME_SIZE);
- err = i2c_attach_client(client);
- if (err)
- goto exit_free;
+ return 0;
+}
+
+static int adt7473_probe(struct i2c_client *client,
+ const struct i2c_device_id *id)
+{
+ struct adt7473_data *data;
+ int err;
+
+ data = kzalloc(sizeof(struct adt7473_data), GFP_KERNEL);
+ if (!data) {
+ err = -ENOMEM;
+ goto exit;
+ }
+
+ i2c_set_clientdata(client, data);
+ mutex_init(&data->lock);
dev_info(&client->dev, "%s chip found\n", client->name);
data->attrs.attrs = adt7473_attr;
err = sysfs_create_group(&client->dev.kobj, &data->attrs);
if (err)
- goto exit_detach;
+ goto exit_free;
data->hwmon_dev = hwmon_device_register(&client->dev);
if (IS_ERR(data->hwmon_dev)) {
exit_remove:
sysfs_remove_group(&client->dev.kobj, &data->attrs);
-exit_detach:
- i2c_detach_client(client);
exit_free:
kfree(data);
exit:
return err;
}
-static int adt7473_detach_client(struct i2c_client *client)
+static int adt7473_remove(struct i2c_client *client)
{
struct adt7473_data *data = i2c_get_clientdata(client);
hwmon_device_unregister(data->hwmon_dev);
sysfs_remove_group(&client->dev.kobj, &data->attrs);
- i2c_detach_client(client);
kfree(data);
return 0;
}
git.openpandora.org / pandora-kernel.git / blobdiff