#define ADM1031_REG_PWM (0x22)
#define ADM1031_REG_FAN_MIN(nr) (0x10 + (nr))
+#define ADM1031_REG_TEMP_OFFSET(nr) (0x0d + (nr))
#define ADM1031_REG_TEMP_MAX(nr) (0x14 + 4 * (nr))
#define ADM1031_REG_TEMP_MIN(nr) (0x15 + 4 * (nr))
#define ADM1031_REG_TEMP_CRIT(nr) (0x16 + 4 * (nr))
/* Each client has this additional data */
struct adm1031_data {
- struct i2c_client client;
struct device *hwmon_dev;
struct mutex update_lock;
int chip_type;
u8 auto_temp_min[3];
u8 auto_temp_off[3];
u8 auto_temp_max[3];
+ s8 temp_offset[3];
s8 temp_min[3];
s8 temp_max[3];
s8 temp_crit[3];
};
-static int adm1031_attach_adapter(struct i2c_adapter *adapter);
-static int adm1031_detect(struct i2c_adapter *adapter, int address, int kind);
+static int adm1031_probe(struct i2c_client *client,
+ const struct i2c_device_id *id);
+static int adm1031_detect(struct i2c_client *client, int kind,
+ struct i2c_board_info *info);
static void adm1031_init_client(struct i2c_client *client);
-static int adm1031_detach_client(struct i2c_client *client);
+static int adm1031_remove(struct i2c_client *client);
static struct adm1031_data *adm1031_update_device(struct device *dev);
+static const struct i2c_device_id adm1031_id[] = {
+ { "adm1030", adm1030 },
+ { "adm1031", adm1031 },
+ { }
+};
+MODULE_DEVICE_TABLE(i2c, adm1031_id);
+
/* This is the driver that will be inserted */
static struct i2c_driver adm1031_driver = {
+ .class = I2C_CLASS_HWMON,
.driver = {
.name = "adm1031",
},
- .attach_adapter = adm1031_attach_adapter,
- .detach_client = adm1031_detach_client,
+ .probe = adm1031_probe,
+ .remove = adm1031_remove,
+ .id_table = adm1031_id,
+ .detect = adm1031_detect,
+ .address_data = &addr_data,
};
static inline u8 adm1031_read_value(struct i2c_client *client, u8 reg)
#define TEMP_FROM_REG_EXT(val, ext) (TEMP_FROM_REG(val) + (ext) * 125)
+#define TEMP_OFFSET_TO_REG(val) (TEMP_TO_REG(val) & 0x8f)
+#define TEMP_OFFSET_FROM_REG(val) TEMP_FROM_REG((val) < 0 ? \
+ (val) | 0x70 : (val))
+
#define FAN_FROM_REG(reg, div) ((reg) ? (11250 * 60) / ((reg) * (div)) : 0)
static int FAN_TO_REG(int reg, int div)
(((data->ext_temp[nr] >> ((nr - 1) * 3)) & 7));
return sprintf(buf, "%d\n", TEMP_FROM_REG_EXT(data->temp[nr], ext));
}
+static ssize_t show_temp_offset(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ int nr = to_sensor_dev_attr(attr)->index;
+ struct adm1031_data *data = adm1031_update_device(dev);
+ return sprintf(buf, "%d\n",
+ TEMP_OFFSET_FROM_REG(data->temp_offset[nr]));
+}
static ssize_t show_temp_min(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct adm1031_data *data = adm1031_update_device(dev);
return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_crit[nr]));
}
+static ssize_t set_temp_offset(struct device *dev,
+ struct device_attribute *attr, const char *buf,
+ size_t count)
+{
+ struct i2c_client *client = to_i2c_client(dev);
+ struct adm1031_data *data = i2c_get_clientdata(client);
+ int nr = to_sensor_dev_attr(attr)->index;
+ int val;
+
+ val = simple_strtol(buf, NULL, 10);
+ val = SENSORS_LIMIT(val, -15000, 15000);
+ mutex_lock(&data->update_lock);
+ data->temp_offset[nr] = TEMP_OFFSET_TO_REG(val);
+ adm1031_write_value(client, ADM1031_REG_TEMP_OFFSET(nr),
+ data->temp_offset[nr]);
+ mutex_unlock(&data->update_lock);
+ return count;
+}
static ssize_t set_temp_min(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count)
{
#define temp_reg(offset) \
static SENSOR_DEVICE_ATTR(temp##offset##_input, S_IRUGO, \
show_temp, NULL, offset - 1); \
+static SENSOR_DEVICE_ATTR(temp##offset##_offset, S_IRUGO | S_IWUSR, \
+ show_temp_offset, set_temp_offset, offset - 1); \
static SENSOR_DEVICE_ATTR(temp##offset##_min, S_IRUGO | S_IWUSR, \
show_temp_min, set_temp_min, offset - 1); \
static SENSOR_DEVICE_ATTR(temp##offset##_max, S_IRUGO | S_IWUSR, \
static SENSOR_DEVICE_ATTR(temp3_fault, S_IRUGO, show_alarm, NULL, 13);
static SENSOR_DEVICE_ATTR(temp1_crit_alarm, S_IRUGO, show_alarm, NULL, 14);
-static int adm1031_attach_adapter(struct i2c_adapter *adapter)
-{
- if (!(adapter->class & I2C_CLASS_HWMON))
- return 0;
- return i2c_probe(adapter, &addr_data, adm1031_detect);
-}
-
static struct attribute *adm1031_attributes[] = {
&sensor_dev_attr_fan1_input.dev_attr.attr,
&sensor_dev_attr_fan1_div.dev_attr.attr,
&sensor_dev_attr_pwm1.dev_attr.attr,
&sensor_dev_attr_auto_fan1_channel.dev_attr.attr,
&sensor_dev_attr_temp1_input.dev_attr.attr,
+ &sensor_dev_attr_temp1_offset.dev_attr.attr,
&sensor_dev_attr_temp1_min.dev_attr.attr,
&sensor_dev_attr_temp1_min_alarm.dev_attr.attr,
&sensor_dev_attr_temp1_max.dev_attr.attr,
&sensor_dev_attr_temp1_crit.dev_attr.attr,
&sensor_dev_attr_temp1_crit_alarm.dev_attr.attr,
&sensor_dev_attr_temp2_input.dev_attr.attr,
+ &sensor_dev_attr_temp2_offset.dev_attr.attr,
&sensor_dev_attr_temp2_min.dev_attr.attr,
&sensor_dev_attr_temp2_min_alarm.dev_attr.attr,
&sensor_dev_attr_temp2_max.dev_attr.attr,
&sensor_dev_attr_pwm2.dev_attr.attr,
&sensor_dev_attr_auto_fan2_channel.dev_attr.attr,
&sensor_dev_attr_temp3_input.dev_attr.attr,
+ &sensor_dev_attr_temp3_offset.dev_attr.attr,
&sensor_dev_attr_temp3_min.dev_attr.attr,
&sensor_dev_attr_temp3_min_alarm.dev_attr.attr,
&sensor_dev_attr_temp3_max.dev_attr.attr,
.attrs = adm1031_attributes_opt,
};
-/* This function is called by i2c_probe */
-static int adm1031_detect(struct i2c_adapter *adapter, int address, int kind)
+/* Return 0 if detection is successful, -ENODEV otherwise */
+static int adm1031_detect(struct i2c_client *client, int kind,
+ struct i2c_board_info *info)
{
- struct i2c_client *client;
- struct adm1031_data *data;
- int err = 0;
+ struct i2c_adapter *adapter = client->adapter;
const char *name = "";
if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA))
- goto exit;
-
- if (!(data = kzalloc(sizeof(struct adm1031_data), GFP_KERNEL))) {
- err = -ENOMEM;
- goto exit;
- }
-
- client = &data->client;
- i2c_set_clientdata(client, data);
- client->addr = address;
- client->adapter = adapter;
- client->driver = &adm1031_driver;
+ return -ENODEV;
if (kind < 0) {
int id, co;
co = i2c_smbus_read_byte_data(client, 0x3e);
if (!((id == 0x31 || id == 0x30) && co == 0x41))
- goto exit_free;
+ return -ENODEV;
kind = (id == 0x30) ? adm1030 : adm1031;
}
* auto fan control helper table. */
if (kind == adm1030) {
name = "adm1030";
- data->chan_select_table = &auto_channel_select_table_adm1030;
} else if (kind == adm1031) {
name = "adm1031";
- data->chan_select_table = &auto_channel_select_table_adm1031;
}
- data->chip_type = kind;
+ strlcpy(info->type, name, I2C_NAME_SIZE);
+
+ return 0;
+}
+
+static int adm1031_probe(struct i2c_client *client,
+ const struct i2c_device_id *id)
+{
+ struct adm1031_data *data;
+ int err;
+
+ data = kzalloc(sizeof(struct adm1031_data), GFP_KERNEL);
+ if (!data) {
+ err = -ENOMEM;
+ goto exit;
+ }
- strlcpy(client->name, name, I2C_NAME_SIZE);
+ i2c_set_clientdata(client, data);
+ data->chip_type = id->driver_data;
mutex_init(&data->update_lock);
- /* Tell the I2C layer a new client has arrived */
- if ((err = i2c_attach_client(client)))
- goto exit_free;
+ if (data->chip_type == adm1030)
+ data->chan_select_table = &auto_channel_select_table_adm1030;
+ else
+ data->chan_select_table = &auto_channel_select_table_adm1031;
/* Initialize the ADM1031 chip */
adm1031_init_client(client);
/* Register sysfs hooks */
if ((err = sysfs_create_group(&client->dev.kobj, &adm1031_group)))
- goto exit_detach;
+ goto exit_free;
- if (kind == adm1031) {
+ if (data->chip_type == adm1031) {
if ((err = sysfs_create_group(&client->dev.kobj,
&adm1031_group_opt)))
goto exit_remove;
exit_remove:
sysfs_remove_group(&client->dev.kobj, &adm1031_group);
sysfs_remove_group(&client->dev.kobj, &adm1031_group_opt);
-exit_detach:
- i2c_detach_client(client);
exit_free:
kfree(data);
exit:
return err;
}
-static int adm1031_detach_client(struct i2c_client *client)
+static int adm1031_remove(struct i2c_client *client)
{
struct adm1031_data *data = i2c_get_clientdata(client);
- int ret;
hwmon_device_unregister(data->hwmon_dev);
sysfs_remove_group(&client->dev.kobj, &adm1031_group);
sysfs_remove_group(&client->dev.kobj, &adm1031_group_opt);
- if ((ret = i2c_detach_client(client)) != 0) {
- return ret;
- }
kfree(data);
return 0;
}
}
data->temp[chan] = newh;
+ data->temp_offset[chan] =
+ adm1031_read_value(client,
+ ADM1031_REG_TEMP_OFFSET(chan));
data->temp_min[chan] =
adm1031_read_value(client,
ADM1031_REG_TEMP_MIN(chan));
git.openpandora.org / pandora-kernel.git / blobdiff