}
struct w83l786ng_data {
- struct device *hwmon_dev;
+ struct i2c_client *client;
struct mutex update_lock;
char valid; /* !=0 if following fields are valid */
unsigned long last_updated; /* In jiffies */
u8 tolerance[2];
};
-static int w83l786ng_probe(struct i2c_client *client,
- const struct i2c_device_id *id);
-static int w83l786ng_detect(struct i2c_client *client,
- struct i2c_board_info *info);
-static int w83l786ng_remove(struct i2c_client *client);
-static void w83l786ng_init_client(struct i2c_client *client);
-static struct w83l786ng_data *w83l786ng_update_device(struct device *dev);
-
-static const struct i2c_device_id w83l786ng_id[] = {
- { "w83l786ng", 0 },
- { }
-};
-MODULE_DEVICE_TABLE(i2c, w83l786ng_id);
-
-static struct i2c_driver w83l786ng_driver = {
- .class = I2C_CLASS_HWMON,
- .driver = {
- .name = "w83l786ng",
- },
- .probe = w83l786ng_probe,
- .remove = w83l786ng_remove,
- .id_table = w83l786ng_id,
- .detect = w83l786ng_detect,
- .address_list = normal_i2c,
-};
-
static u8
w83l786ng_read_value(struct i2c_client *client, u8 reg)
{
return i2c_smbus_write_byte_data(client, reg, value);
}
+static struct w83l786ng_data *w83l786ng_update_device(struct device *dev)
+{
+ struct w83l786ng_data *data = dev_get_drvdata(dev);
+ struct i2c_client *client = data->client;
+ int i, j;
+ u8 reg_tmp, pwmcfg;
+
+ mutex_lock(&data->update_lock);
+ if (time_after(jiffies, data->last_updated + HZ + HZ / 2)
+ || !data->valid) {
+ dev_dbg(&client->dev, "Updating w83l786ng data.\n");
+
+ /* Update the voltages measured value and limits */
+ for (i = 0; i < 3; i++) {
+ data->in[i] = w83l786ng_read_value(client,
+ W83L786NG_REG_IN(i));
+ data->in_min[i] = w83l786ng_read_value(client,
+ W83L786NG_REG_IN_MIN(i));
+ data->in_max[i] = w83l786ng_read_value(client,
+ W83L786NG_REG_IN_MAX(i));
+ }
+
+ /* Update the fan counts and limits */
+ for (i = 0; i < 2; i++) {
+ data->fan[i] = w83l786ng_read_value(client,
+ W83L786NG_REG_FAN(i));
+ data->fan_min[i] = w83l786ng_read_value(client,
+ W83L786NG_REG_FAN_MIN(i));
+ }
+
+ /* Update the fan divisor */
+ reg_tmp = w83l786ng_read_value(client, W83L786NG_REG_FAN_DIV);
+ data->fan_div[0] = reg_tmp & 0x07;
+ data->fan_div[1] = (reg_tmp >> 4) & 0x07;
+
+ pwmcfg = w83l786ng_read_value(client, W83L786NG_REG_FAN_CFG);
+ for (i = 0; i < 2; i++) {
+ data->pwm_mode[i] =
+ ((pwmcfg >> W83L786NG_PWM_MODE_SHIFT[i]) & 1)
+ ? 0 : 1;
+ data->pwm_enable[i] =
+ ((pwmcfg >> W83L786NG_PWM_ENABLE_SHIFT[i]) & 3) + 1;
+ data->pwm[i] =
+ (w83l786ng_read_value(client, W83L786NG_REG_PWM[i])
+ & 0x0f) * 0x11;
+ }
+
+
+ /* Update the temperature sensors */
+ for (i = 0; i < 2; i++) {
+ for (j = 0; j < 3; j++) {
+ data->temp[i][j] = w83l786ng_read_value(client,
+ W83L786NG_REG_TEMP[i][j]);
+ }
+ }
+
+ /* Update Smart Fan I/II tolerance */
+ reg_tmp = w83l786ng_read_value(client, W83L786NG_REG_TOLERANCE);
+ data->tolerance[0] = reg_tmp & 0x0f;
+ data->tolerance[1] = (reg_tmp >> 4) & 0x0f;
+
+ data->last_updated = jiffies;
+ data->valid = 1;
+
+ }
+
+ mutex_unlock(&data->update_lock);
+
+ return data;
+}
+
/* following are the sysfs callback functions */
#define show_in_reg(reg) \
static ssize_t \
const char *buf, size_t count) \
{ \
int nr = to_sensor_dev_attr(attr)->index; \
- struct i2c_client *client = to_i2c_client(dev); \
- struct w83l786ng_data *data = i2c_get_clientdata(client); \
+ struct w83l786ng_data *data = dev_get_drvdata(dev); \
+ struct i2c_client *client = data->client; \
unsigned long val; \
int err = kstrtoul(buf, 10, &val); \
if (err) \
int nr = to_sensor_dev_attr(attr)->index; \
struct w83l786ng_data *data = w83l786ng_update_device(dev); \
return sprintf(buf, "%d\n", \
- FAN_FROM_REG(data->fan[nr], DIV_FROM_REG(data->fan_div[nr]))); \
+ FAN_FROM_REG(data->reg[nr], DIV_FROM_REG(data->fan_div[nr]))); \
}
show_fan_reg(fan);
const char *buf, size_t count)
{
int nr = to_sensor_dev_attr(attr)->index;
- struct i2c_client *client = to_i2c_client(dev);
- struct w83l786ng_data *data = i2c_get_clientdata(client);
+ struct w83l786ng_data *data = dev_get_drvdata(dev);
+ struct i2c_client *client = data->client;
unsigned long val;
int err;
const char *buf, size_t count)
{
int nr = to_sensor_dev_attr(attr)->index;
- struct i2c_client *client = to_i2c_client(dev);
- struct w83l786ng_data *data = i2c_get_clientdata(client);
+ struct w83l786ng_data *data = dev_get_drvdata(dev);
+ struct i2c_client *client = data->client;
unsigned long min;
u8 tmp_fan_div;
to_sensor_dev_attr_2(attr);
int nr = sensor_attr->nr;
int index = sensor_attr->index;
- struct i2c_client *client = to_i2c_client(dev);
- struct w83l786ng_data *data = i2c_get_clientdata(client);
+ struct w83l786ng_data *data = dev_get_drvdata(dev);
+ struct i2c_client *client = data->client;
long val;
int err;
const char *buf, size_t count)
{
int nr = to_sensor_dev_attr(attr)->index;
- struct i2c_client *client = to_i2c_client(dev);
- struct w83l786ng_data *data = i2c_get_clientdata(client);
+ struct w83l786ng_data *data = dev_get_drvdata(dev);
+ struct i2c_client *client = data->client;
u8 reg;
unsigned long val;
int err;
const char *buf, size_t count)
{
int nr = to_sensor_dev_attr(attr)->index;
- struct i2c_client *client = to_i2c_client(dev);
- struct w83l786ng_data *data = i2c_get_clientdata(client);
+ struct w83l786ng_data *data = dev_get_drvdata(dev);
+ struct i2c_client *client = data->client;
unsigned long val;
int err;
const char *buf, size_t count)
{
int nr = to_sensor_dev_attr(attr)->index;
- struct i2c_client *client = to_i2c_client(dev);
- struct w83l786ng_data *data = i2c_get_clientdata(client);
+ struct w83l786ng_data *data = dev_get_drvdata(dev);
+ struct i2c_client *client = data->client;
u8 reg;
unsigned long val;
int err;
const char *buf, size_t count)
{
int nr = to_sensor_dev_attr(attr)->index;
- struct i2c_client *client = to_i2c_client(dev);
- struct w83l786ng_data *data = i2c_get_clientdata(client);
+ struct w83l786ng_data *data = dev_get_drvdata(dev);
+ struct i2c_client *client = data->client;
u8 tol_tmp, tol_mask;
unsigned long val;
int err;
#define TOLERANCE_UNIT_ATTRS(X) \
&sda_tolerance[X].dev_attr.attr
-static struct attribute *w83l786ng_attributes[] = {
+static struct attribute *w83l786ng_attrs[] = {
IN_UNIT_ATTRS(0),
IN_UNIT_ATTRS(1),
IN_UNIT_ATTRS(2),
NULL
};
-static const struct attribute_group w83l786ng_group = {
- .attrs = w83l786ng_attributes,
-};
+ATTRIBUTE_GROUPS(w83l786ng);
static int
w83l786ng_detect(struct i2c_client *client, struct i2c_board_info *info)
return 0;
}
+static void w83l786ng_init_client(struct i2c_client *client)
+{
+ u8 tmp;
+
+ if (reset)
+ w83l786ng_write_value(client, W83L786NG_REG_CONFIG, 0x80);
+
+ /* Start monitoring */
+ tmp = w83l786ng_read_value(client, W83L786NG_REG_CONFIG);
+ if (!(tmp & 0x01))
+ w83l786ng_write_value(client, W83L786NG_REG_CONFIG, tmp | 0x01);
+}
+
static int
w83l786ng_probe(struct i2c_client *client, const struct i2c_device_id *id)
{
struct device *dev = &client->dev;
struct w83l786ng_data *data;
- int i, err = 0;
+ struct device *hwmon_dev;
+ int i;
u8 reg_tmp;
- data = devm_kzalloc(&client->dev, sizeof(struct w83l786ng_data),
- GFP_KERNEL);
+ data = devm_kzalloc(dev, sizeof(struct w83l786ng_data), GFP_KERNEL);
if (!data)
return -ENOMEM;
- i2c_set_clientdata(client, data);
+ data->client = client;
mutex_init(&data->update_lock);
/* Initialize the chip */
data->fan_div[0] = reg_tmp & 0x07;
data->fan_div[1] = (reg_tmp >> 4) & 0x07;
- /* Register sysfs hooks */
- err = sysfs_create_group(&client->dev.kobj, &w83l786ng_group);
- if (err)
- goto exit_remove;
-
- data->hwmon_dev = hwmon_device_register(dev);
- if (IS_ERR(data->hwmon_dev)) {
- err = PTR_ERR(data->hwmon_dev);
- goto exit_remove;
- }
-
- return 0;
-
- /* Unregister sysfs hooks */
-
-exit_remove:
- sysfs_remove_group(&client->dev.kobj, &w83l786ng_group);
- return err;
-}
-
-static int
-w83l786ng_remove(struct i2c_client *client)
-{
- struct w83l786ng_data *data = i2c_get_clientdata(client);
-
- hwmon_device_unregister(data->hwmon_dev);
- sysfs_remove_group(&client->dev.kobj, &w83l786ng_group);
-
- return 0;
+ hwmon_dev = devm_hwmon_device_register_with_groups(dev, client->name,
+ data,
+ w83l786ng_groups);
+ return PTR_ERR_OR_ZERO(hwmon_dev);
}
-static void
-w83l786ng_init_client(struct i2c_client *client)
-{
- u8 tmp;
-
- if (reset)
- w83l786ng_write_value(client, W83L786NG_REG_CONFIG, 0x80);
-
- /* Start monitoring */
- tmp = w83l786ng_read_value(client, W83L786NG_REG_CONFIG);
- if (!(tmp & 0x01))
- w83l786ng_write_value(client, W83L786NG_REG_CONFIG, tmp | 0x01);
-}
-
-static struct w83l786ng_data *w83l786ng_update_device(struct device *dev)
-{
- struct i2c_client *client = to_i2c_client(dev);
- struct w83l786ng_data *data = i2c_get_clientdata(client);
- int i, j;
- u8 reg_tmp, pwmcfg;
-
- mutex_lock(&data->update_lock);
- if (time_after(jiffies, data->last_updated + HZ + HZ / 2)
- || !data->valid) {
- dev_dbg(&client->dev, "Updating w83l786ng data.\n");
-
- /* Update the voltages measured value and limits */
- for (i = 0; i < 3; i++) {
- data->in[i] = w83l786ng_read_value(client,
- W83L786NG_REG_IN(i));
- data->in_min[i] = w83l786ng_read_value(client,
- W83L786NG_REG_IN_MIN(i));
- data->in_max[i] = w83l786ng_read_value(client,
- W83L786NG_REG_IN_MAX(i));
- }
-
- /* Update the fan counts and limits */
- for (i = 0; i < 2; i++) {
- data->fan[i] = w83l786ng_read_value(client,
- W83L786NG_REG_FAN(i));
- data->fan_min[i] = w83l786ng_read_value(client,
- W83L786NG_REG_FAN_MIN(i));
- }
-
- /* Update the fan divisor */
- reg_tmp = w83l786ng_read_value(client, W83L786NG_REG_FAN_DIV);
- data->fan_div[0] = reg_tmp & 0x07;
- data->fan_div[1] = (reg_tmp >> 4) & 0x07;
-
- pwmcfg = w83l786ng_read_value(client, W83L786NG_REG_FAN_CFG);
- for (i = 0; i < 2; i++) {
- data->pwm_mode[i] =
- ((pwmcfg >> W83L786NG_PWM_MODE_SHIFT[i]) & 1)
- ? 0 : 1;
- data->pwm_enable[i] =
- ((pwmcfg >> W83L786NG_PWM_ENABLE_SHIFT[i]) & 3) + 1;
- data->pwm[i] =
- (w83l786ng_read_value(client, W83L786NG_REG_PWM[i])
- & 0x0f) * 0x11;
- }
-
-
- /* Update the temperature sensors */
- for (i = 0; i < 2; i++) {
- for (j = 0; j < 3; j++) {
- data->temp[i][j] = w83l786ng_read_value(client,
- W83L786NG_REG_TEMP[i][j]);
- }
- }
-
- /* Update Smart Fan I/II tolerance */
- reg_tmp = w83l786ng_read_value(client, W83L786NG_REG_TOLERANCE);
- data->tolerance[0] = reg_tmp & 0x0f;
- data->tolerance[1] = (reg_tmp >> 4) & 0x0f;
-
- data->last_updated = jiffies;
- data->valid = 1;
-
- }
-
- mutex_unlock(&data->update_lock);
+static const struct i2c_device_id w83l786ng_id[] = {
+ { "w83l786ng", 0 },
+ { }
+};
+MODULE_DEVICE_TABLE(i2c, w83l786ng_id);
- return data;
-}
+static struct i2c_driver w83l786ng_driver = {
+ .class = I2C_CLASS_HWMON,
+ .driver = {
+ .name = "w83l786ng",
+ },
+ .probe = w83l786ng_probe,
+ .id_table = w83l786ng_id,
+ .detect = w83l786ng_detect,
+ .address_list = normal_i2c,
+};
module_i2c_driver(w83l786ng_driver);
projects / firefly-linux-kernel-4.4.55.git / blobdiff