#include <linux/mutex.h>
/* Addresses to scan */
-static unsigned short normal_i2c[] = { 0x2c, 0x2d, 0x2e, I2C_CLIENT_END };
-
-/* Insmod parameters */
-I2C_CLIENT_INSMOD_1(adm1026);
+static const unsigned short normal_i2c[] = { 0x2c, 0x2d, 0x2e, I2C_CLIENT_END };
static int gpio_input[17] = { -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1 };
};
struct adm1026_data {
- struct i2c_client client;
struct device *hwmon_dev;
struct mutex update_lock;
u8 fan_min[8]; /* Register value */
u8 fan_div[8]; /* Decoded value */
struct pwm_data pwm1; /* Pwm control values */
- int vid; /* Decoded value */
u8 vrm; /* VRM version */
u8 analog_out; /* Register value (DAC) */
long alarms; /* Register encoding, combined */
u8 config3; /* Register value */
};
-static int adm1026_attach_adapter(struct i2c_adapter *adapter);
-static int adm1026_detect(struct i2c_adapter *adapter, int address,
- int kind);
-static int adm1026_detach_client(struct i2c_client *client);
+static int adm1026_probe(struct i2c_client *client,
+ const struct i2c_device_id *id);
+static int adm1026_detect(struct i2c_client *client,
+ struct i2c_board_info *info);
+static int adm1026_remove(struct i2c_client *client);
static int adm1026_read_value(struct i2c_client *client, u8 reg);
static int adm1026_write_value(struct i2c_client *client, u8 reg, int value);
static void adm1026_print_gpio(struct i2c_client *client);
static void adm1026_init_client(struct i2c_client *client);
+static const struct i2c_device_id adm1026_id[] = {
+ { "adm1026", 0 },
+ { }
+};
+MODULE_DEVICE_TABLE(i2c, adm1026_id);
+
static struct i2c_driver adm1026_driver = {
+ .class = I2C_CLASS_HWMON,
.driver = {
.name = "adm1026",
},
- .attach_adapter = adm1026_attach_adapter,
- .detach_client = adm1026_detach_client,
+ .probe = adm1026_probe,
+ .remove = adm1026_remove,
+ .id_table = adm1026_id,
+ .detect = adm1026_detect,
+ .address_list = normal_i2c,
};
-static int adm1026_attach_adapter(struct i2c_adapter *adapter)
-{
- if (!(adapter->class & I2C_CLASS_HWMON)) {
- return 0;
- }
- return i2c_probe(adapter, &addr_data, adm1026_detect);
-}
-
static int adm1026_read_value(struct i2c_client *client, u8 reg)
{
int res;
struct adm1026_data *data = i2c_get_clientdata(client);
int i;
- dev_dbg(&client->dev, "GPIO config is:");
+ dev_dbg(&client->dev, "GPIO config is:\n");
for (i = 0;i <= 7;++i) {
if (data->config2 & (1 << i)) {
dev_dbg(&client->dev, "\t%sGP%s%d\n",
data->last_config = jiffies;
}; /* last_config */
- dev_dbg(&client->dev, "Setting VID from GPIO11-15.\n");
- data->vid = (data->gpio >> 11) & 0x1f;
data->valid = 1;
mutex_unlock(&data->update_lock);
return data;
static ssize_t show_vid_reg(struct device *dev, struct device_attribute *attr, char *buf)
{
struct adm1026_data *data = adm1026_update_device(dev);
- return sprintf(buf, "%d\n", vid_from_reg(data->vid & 0x3f, data->vrm));
+ int vid = (data->gpio >> 11) & 0x1f;
+
+ dev_dbg(dev, "Setting VID from GPIO11-15.\n");
+ return sprintf(buf, "%d\n", vid_from_reg(vid, data->vrm));
}
static DEVICE_ATTR(cpu0_vid, S_IRUGO, show_vid_reg, NULL);
&dev_attr_temp3_crit_enable.attr,
&dev_attr_temp3_auto_point1_pwm.attr,
&dev_attr_temp3_auto_point2_pwm.attr,
+ NULL
};
static const struct attribute_group adm1026_group_temp3 = {
&sensor_dev_attr_in9_max.dev_attr.attr,
&sensor_dev_attr_in9_min.dev_attr.attr,
&sensor_dev_attr_in9_alarm.dev_attr.attr,
+ NULL
};
static const struct attribute_group adm1026_group_in8_9 = {
.attrs = adm1026_attributes_in8_9,
};
-static int adm1026_detect(struct i2c_adapter *adapter, int address,
- int kind)
+/* Return 0 if detection is successful, -ENODEV otherwise */
+static int adm1026_detect(struct i2c_client *client,
+ struct i2c_board_info *info)
{
+ struct i2c_adapter *adapter = client->adapter;
+ int address = client->addr;
int company, verstep;
- struct i2c_client *client;
- struct adm1026_data *data;
- int err = 0;
- const char *type_name = "";
if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) {
/* We need to be able to do byte I/O */
- goto exit;
+ return -ENODEV;
};
- /* 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 adm1026_{read,write}_value. */
-
- if (!(data = kzalloc(sizeof(struct adm1026_data), GFP_KERNEL))) {
- err = -ENOMEM;
- goto exit;
- }
-
- client = &data->client;
- i2c_set_clientdata(client, data);
- client->addr = address;
- client->adapter = adapter;
- client->driver = &adm1026_driver;
-
/* Now, we do the remaining detection. */
company = adm1026_read_value(client, ADM1026_REG_COMPANY);
verstep = adm1026_read_value(client, ADM1026_REG_VERSTEP);
- dev_dbg(&client->dev, "Detecting device at %d,0x%02x with"
+ dev_dbg(&adapter->dev, "Detecting device at %d,0x%02x with"
" COMPANY: 0x%02x and VERSTEP: 0x%02x\n",
i2c_adapter_id(client->adapter), client->addr,
company, verstep);
- /* If auto-detecting, Determine the chip type. */
- if (kind <= 0) {
- dev_dbg(&client->dev, "Autodetecting device at %d,0x%02x "
- "...\n", i2c_adapter_id(adapter), address);
- if (company == ADM1026_COMPANY_ANALOG_DEV
- && verstep == ADM1026_VERSTEP_ADM1026) {
- kind = adm1026;
- } else if (company == ADM1026_COMPANY_ANALOG_DEV
- && (verstep & 0xf0) == ADM1026_VERSTEP_GENERIC) {
- dev_err(&adapter->dev, ": Unrecognized stepping "
- "0x%02x. Defaulting to ADM1026.\n", verstep);
- kind = adm1026;
- } else if ((verstep & 0xf0) == ADM1026_VERSTEP_GENERIC) {
- dev_err(&adapter->dev, ": Found version/stepping "
- "0x%02x. Assuming generic ADM1026.\n",
- verstep);
- kind = any_chip;
- } else {
- dev_dbg(&client->dev, ": Autodetection "
- "failed\n");
- /* Not an ADM1026 ... */
- if (kind == 0) { /* User used force=x,y */
- dev_err(&adapter->dev, "Generic ADM1026 not "
- "found at %d,0x%02x. Try "
- "force_adm1026.\n",
- i2c_adapter_id(adapter), address);
- }
- goto exitfree;
- }
+ /* Determine the chip type. */
+ dev_dbg(&adapter->dev, "Autodetecting device at %d,0x%02x...\n",
+ i2c_adapter_id(adapter), address);
+ if (company == ADM1026_COMPANY_ANALOG_DEV
+ && verstep == ADM1026_VERSTEP_ADM1026) {
+ /* Analog Devices ADM1026 */
+ } else if (company == ADM1026_COMPANY_ANALOG_DEV
+ && (verstep & 0xf0) == ADM1026_VERSTEP_GENERIC) {
+ dev_err(&adapter->dev, "Unrecognized stepping "
+ "0x%02x. Defaulting to ADM1026.\n", verstep);
+ } else if ((verstep & 0xf0) == ADM1026_VERSTEP_GENERIC) {
+ dev_err(&adapter->dev, "Found version/stepping "
+ "0x%02x. Assuming generic ADM1026.\n",
+ verstep);
+ } else {
+ dev_dbg(&adapter->dev, "Autodetection failed\n");
+ /* Not an ADM1026... */
+ return -ENODEV;
}
- /* Fill in the chip specific driver values */
- switch (kind) {
- case any_chip :
- type_name = "adm1026";
- break;
- case adm1026 :
- type_name = "adm1026";
- break;
- default :
- dev_err(&adapter->dev, ": Internal error, invalid "
- "kind (%d)!\n", kind);
- err = -EFAULT;
- goto exitfree;
+ strlcpy(info->type, "adm1026", I2C_NAME_SIZE);
+
+ return 0;
+}
+
+static int adm1026_probe(struct i2c_client *client,
+ const struct i2c_device_id *id)
+{
+ struct adm1026_data *data;
+ int err;
+
+ data = kzalloc(sizeof(struct adm1026_data), GFP_KERNEL);
+ if (!data) {
+ err = -ENOMEM;
+ goto exit;
}
- strlcpy(client->name, type_name, I2C_NAME_SIZE);
- /* Fill in the remaining client fields */
+ i2c_set_clientdata(client, data);
mutex_init(&data->update_lock);
- /* Tell the I2C layer a new client has arrived */
- if ((err = i2c_attach_client(client)))
- goto exitfree;
-
/* Set the VRM version */
data->vrm = vid_which_vrm();
/* Register sysfs hooks */
if ((err = sysfs_create_group(&client->dev.kobj, &adm1026_group)))
- goto exitdetach;
+ goto exitfree;
if (data->config1 & CFG1_AIN8_9)
err = sysfs_create_group(&client->dev.kobj,
&adm1026_group_in8_9);
sysfs_remove_group(&client->dev.kobj, &adm1026_group_in8_9);
else
sysfs_remove_group(&client->dev.kobj, &adm1026_group_temp3);
-exitdetach:
- i2c_detach_client(client);
exitfree:
kfree(data);
exit:
return err;
}
-static int adm1026_detach_client(struct i2c_client *client)
+static int adm1026_remove(struct i2c_client *client)
{
struct adm1026_data *data = i2c_get_clientdata(client);
hwmon_device_unregister(data->hwmon_dev);
sysfs_remove_group(&client->dev.kobj, &adm1026_group_in8_9);
else
sysfs_remove_group(&client->dev.kobj, &adm1026_group_temp3);
- i2c_detach_client(client);
kfree(data);
return 0;
}
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff