#include <linux/mutex.h>
#include "lm75.h"
-/*
- HISTORY:
- 2003-12-29 1.0.0 Ported from lm_sensors project for kernel 2.6
-*/
-#define ASB100_VERSION "1.0.0"
-
/* I2C addresses to scan */
static unsigned short normal_i2c[] = { 0x2d, I2C_CLIENT_END };
/* TEMP: 0.001C/bit (-128C to +127C)
REG: 1C/bit, two's complement */
-static u8 TEMP_TO_REG(int temp)
+static u8 TEMP_TO_REG(long temp)
{
int ntemp = SENSORS_LIMIT(temp, ASB100_TEMP_MIN, ASB100_TEMP_MAX);
ntemp += (ntemp<0 ? -500 : 500);
dynamically allocated, at the same time the client itself is allocated. */
struct asb100_data {
struct i2c_client client;
- struct class_device *class_dev;
+ struct device *hwmon_dev;
struct mutex lock;
enum chips type;
.driver = {
.name = "asb100",
},
- .id = I2C_DRIVERID_ASB100,
.attach_adapter = asb100_attach_adapter,
.detach_client = asb100_detach_client,
};
sysfs_in(5);
sysfs_in(6);
-#define device_create_file_in(client, offset) do { \
- device_create_file(&client->dev, &dev_attr_in##offset##_input); \
- device_create_file(&client->dev, &dev_attr_in##offset##_min); \
- device_create_file(&client->dev, &dev_attr_in##offset##_max); \
-} while (0)
-
/* 3 Fans */
static ssize_t show_fan(struct device *dev, char *buf, int nr)
{
/* Note: we save and restore the fan minimum here, because its value is
determined in part by the fan divisor. This follows the principle of
- least suprise; the user doesn't expect the fan minimum to change just
+ least surprise; the user doesn't expect the fan minimum to change just
because the divisor changed. */
static ssize_t set_fan_div(struct device *dev, const char *buf,
size_t count, int nr)
unsigned long min;
unsigned long val = simple_strtoul(buf, NULL, 10);
int reg;
-
+
mutex_lock(&data->update_lock);
min = FAN_FROM_REG(data->fan_min[nr],
DIV_FROM_REG(data->fan_div[nr]));
data->fan_div[nr] = DIV_TO_REG(val);
- switch(nr) {
+ switch (nr) {
case 0: /* fan 1 */
reg = asb100_read_value(client, ASB100_REG_VID_FANDIV);
reg = (reg & 0xcf) | (data->fan_div[0] << 4);
sysfs_fan(2);
sysfs_fan(3);
-#define device_create_file_fan(client, offset) do { \
- device_create_file(&client->dev, &dev_attr_fan##offset##_input); \
- device_create_file(&client->dev, &dev_attr_fan##offset##_min); \
- device_create_file(&client->dev, &dev_attr_fan##offset##_div); \
-} while (0)
-
/* 4 Temp. Sensors */
static int sprintf_temp_from_reg(u16 reg, char *buf, int nr)
{
}
return ret;
}
-
+
#define show_temp_reg(reg) \
static ssize_t show_##reg(struct device *dev, char *buf, int nr) \
{ \
{ \
struct i2c_client *client = to_i2c_client(dev); \
struct asb100_data *data = i2c_get_clientdata(client); \
- unsigned long val = simple_strtoul(buf, NULL, 10); \
+ long val = simple_strtol(buf, NULL, 10); \
\
mutex_lock(&data->update_lock); \
switch (nr) { \
sysfs_temp(4);
/* VID */
-#define device_create_file_temp(client, num) do { \
- device_create_file(&client->dev, &dev_attr_temp##num##_input); \
- device_create_file(&client->dev, &dev_attr_temp##num##_max); \
- device_create_file(&client->dev, &dev_attr_temp##num##_max_hyst); \
-} while (0)
-
-static ssize_t show_vid(struct device *dev, struct device_attribute *attr, char *buf)
+static ssize_t show_vid(struct device *dev, struct device_attribute *attr,
+ char *buf)
{
struct asb100_data *data = asb100_update_device(dev);
return sprintf(buf, "%d\n", vid_from_reg(data->vid, data->vrm));
}
static DEVICE_ATTR(cpu0_vid, S_IRUGO, show_vid, NULL);
-#define device_create_file_vid(client) \
-device_create_file(&client->dev, &dev_attr_cpu0_vid)
/* VRM */
-static ssize_t show_vrm(struct device *dev, struct device_attribute *attr, char *buf)
+static ssize_t show_vrm(struct device *dev, struct device_attribute *attr,
+ char *buf)
{
- struct asb100_data *data = asb100_update_device(dev);
+ struct asb100_data *data = dev_get_drvdata(dev);
return sprintf(buf, "%d\n", data->vrm);
}
-static ssize_t set_vrm(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
+static ssize_t set_vrm(struct device *dev, struct device_attribute *attr,
+ const char *buf, size_t count)
{
- struct i2c_client *client = to_i2c_client(dev);
- struct asb100_data *data = i2c_get_clientdata(client);
- unsigned long val = simple_strtoul(buf, NULL, 10);
- data->vrm = val;
+ struct asb100_data *data = dev_get_drvdata(dev);
+ data->vrm = simple_strtoul(buf, NULL, 10);
return count;
}
/* Alarms */
static DEVICE_ATTR(vrm, S_IRUGO | S_IWUSR, show_vrm, set_vrm);
-#define device_create_file_vrm(client) \
-device_create_file(&client->dev, &dev_attr_vrm);
-static ssize_t show_alarms(struct device *dev, struct device_attribute *attr, char *buf)
+static ssize_t show_alarms(struct device *dev, struct device_attribute *attr,
+ char *buf)
{
struct asb100_data *data = asb100_update_device(dev);
return sprintf(buf, "%u\n", data->alarms);
}
static DEVICE_ATTR(alarms, S_IRUGO, show_alarms, NULL);
-#define device_create_file_alarms(client) \
-device_create_file(&client->dev, &dev_attr_alarms)
/* 1 PWM */
-static ssize_t show_pwm1(struct device *dev, struct device_attribute *attr, char *buf)
+static ssize_t show_pwm1(struct device *dev, struct device_attribute *attr,
+ char *buf)
{
struct asb100_data *data = asb100_update_device(dev);
return sprintf(buf, "%d\n", ASB100_PWM_FROM_REG(data->pwm & 0x0f));
}
-static ssize_t set_pwm1(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
+static ssize_t set_pwm1(struct device *dev, struct device_attribute *attr,
+ const char *buf, size_t count)
{
struct i2c_client *client = to_i2c_client(dev);
struct asb100_data *data = i2c_get_clientdata(client);
return count;
}
-static ssize_t show_pwm_enable1(struct device *dev, struct device_attribute *attr, char *buf)
+static ssize_t show_pwm_enable1(struct device *dev,
+ struct device_attribute *attr, char *buf)
{
struct asb100_data *data = asb100_update_device(dev);
return sprintf(buf, "%d\n", (data->pwm & 0x80) ? 1 : 0);
}
-static ssize_t set_pwm_enable1(struct device *dev, struct device_attribute *attr, const char *buf,
- size_t count)
+static ssize_t set_pwm_enable1(struct device *dev,
+ struct device_attribute *attr, const char *buf, size_t count)
{
struct i2c_client *client = to_i2c_client(dev);
struct asb100_data *data = i2c_get_clientdata(client);
static DEVICE_ATTR(pwm1, S_IRUGO | S_IWUSR, show_pwm1, set_pwm1);
static DEVICE_ATTR(pwm1_enable, S_IRUGO | S_IWUSR,
show_pwm_enable1, set_pwm_enable1);
-#define device_create_file_pwm1(client) do { \
- device_create_file(&new_client->dev, &dev_attr_pwm1); \
- device_create_file(&new_client->dev, &dev_attr_pwm1_enable); \
-} while (0)
+
+static struct attribute *asb100_attributes[] = {
+ &dev_attr_in0_input.attr,
+ &dev_attr_in0_min.attr,
+ &dev_attr_in0_max.attr,
+ &dev_attr_in1_input.attr,
+ &dev_attr_in1_min.attr,
+ &dev_attr_in1_max.attr,
+ &dev_attr_in2_input.attr,
+ &dev_attr_in2_min.attr,
+ &dev_attr_in2_max.attr,
+ &dev_attr_in3_input.attr,
+ &dev_attr_in3_min.attr,
+ &dev_attr_in3_max.attr,
+ &dev_attr_in4_input.attr,
+ &dev_attr_in4_min.attr,
+ &dev_attr_in4_max.attr,
+ &dev_attr_in5_input.attr,
+ &dev_attr_in5_min.attr,
+ &dev_attr_in5_max.attr,
+ &dev_attr_in6_input.attr,
+ &dev_attr_in6_min.attr,
+ &dev_attr_in6_max.attr,
+
+ &dev_attr_fan1_input.attr,
+ &dev_attr_fan1_min.attr,
+ &dev_attr_fan1_div.attr,
+ &dev_attr_fan2_input.attr,
+ &dev_attr_fan2_min.attr,
+ &dev_attr_fan2_div.attr,
+ &dev_attr_fan3_input.attr,
+ &dev_attr_fan3_min.attr,
+ &dev_attr_fan3_div.attr,
+
+ &dev_attr_temp1_input.attr,
+ &dev_attr_temp1_max.attr,
+ &dev_attr_temp1_max_hyst.attr,
+ &dev_attr_temp2_input.attr,
+ &dev_attr_temp2_max.attr,
+ &dev_attr_temp2_max_hyst.attr,
+ &dev_attr_temp3_input.attr,
+ &dev_attr_temp3_max.attr,
+ &dev_attr_temp3_max_hyst.attr,
+ &dev_attr_temp4_input.attr,
+ &dev_attr_temp4_max.attr,
+ &dev_attr_temp4_max_hyst.attr,
+
+ &dev_attr_cpu0_vid.attr,
+ &dev_attr_vrm.attr,
+ &dev_attr_alarms.attr,
+ &dev_attr_pwm1.attr,
+ &dev_attr_pwm1_enable.attr,
+
+ NULL
+};
+
+static const struct attribute_group asb100_group = {
+ .attrs = asb100_attributes,
+};
/* This function is called when:
asb100_driver is inserted (when this module is loaded), for each
}
static int asb100_detect_subclients(struct i2c_adapter *adapter, int address,
- int kind, struct i2c_client *new_client)
+ int kind, struct i2c_client *client)
{
int i, id, err;
- struct asb100_data *data = i2c_get_clientdata(new_client);
+ struct asb100_data *data = i2c_get_clientdata(client);
data->lm75[0] = kzalloc(sizeof(struct i2c_client), GFP_KERNEL);
if (!(data->lm75[0])) {
for (i = 2; i <= 3; i++) {
if (force_subclients[i] < 0x48 ||
force_subclients[i] > 0x4f) {
- dev_err(&new_client->dev, "invalid subclient "
+ dev_err(&client->dev, "invalid subclient "
"address %d; must be 0x48-0x4f\n",
force_subclients[i]);
err = -ENODEV;
goto ERROR_SC_2;
}
}
- asb100_write_value(new_client, ASB100_REG_I2C_SUBADDR,
+ asb100_write_value(client, ASB100_REG_I2C_SUBADDR,
(force_subclients[2] & 0x07) |
- ((force_subclients[3] & 0x07) <<4));
+ ((force_subclients[3] & 0x07) << 4));
data->lm75[0]->addr = force_subclients[2];
data->lm75[1]->addr = force_subclients[3];
} else {
- int val = asb100_read_value(new_client, ASB100_REG_I2C_SUBADDR);
+ int val = asb100_read_value(client, ASB100_REG_I2C_SUBADDR);
data->lm75[0]->addr = 0x48 + (val & 0x07);
data->lm75[1]->addr = 0x48 + ((val >> 4) & 0x07);
}
- if(data->lm75[0]->addr == data->lm75[1]->addr) {
- dev_err(&new_client->dev, "duplicate addresses 0x%x "
+ if (data->lm75[0]->addr == data->lm75[1]->addr) {
+ dev_err(&client->dev, "duplicate addresses 0x%x "
"for subclients\n", data->lm75[0]->addr);
err = -ENODEV;
goto ERROR_SC_2;
i2c_set_clientdata(data->lm75[i], NULL);
data->lm75[i]->adapter = adapter;
data->lm75[i]->driver = &asb100_driver;
- data->lm75[i]->flags = 0;
strlcpy(data->lm75[i]->name, "asb100 subclient", I2C_NAME_SIZE);
}
if ((err = i2c_attach_client(data->lm75[0]))) {
- dev_err(&new_client->dev, "subclient %d registration "
+ dev_err(&client->dev, "subclient %d registration "
"at address 0x%x failed.\n", i, data->lm75[0]->addr);
goto ERROR_SC_2;
}
if ((err = i2c_attach_client(data->lm75[1]))) {
- dev_err(&new_client->dev, "subclient %d registration "
+ dev_err(&client->dev, "subclient %d registration "
"at address 0x%x failed.\n", i, data->lm75[1]->addr);
goto ERROR_SC_3;
}
static int asb100_detect(struct i2c_adapter *adapter, int address, int kind)
{
int err;
- struct i2c_client *new_client;
+ struct i2c_client *client;
struct asb100_data *data;
if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) {
goto ERROR0;
}
- new_client = &data->client;
+ client = &data->client;
mutex_init(&data->lock);
- i2c_set_clientdata(new_client, data);
- new_client->addr = address;
- new_client->adapter = adapter;
- new_client->driver = &asb100_driver;
- new_client->flags = 0;
+ i2c_set_clientdata(client, data);
+ client->addr = address;
+ client->adapter = adapter;
+ client->driver = &asb100_driver;
/* Now, we do the remaining detection. */
bank. */
if (kind < 0) {
- int val1 = asb100_read_value(new_client, ASB100_REG_BANK);
- int val2 = asb100_read_value(new_client, ASB100_REG_CHIPMAN);
+ int val1 = asb100_read_value(client, ASB100_REG_BANK);
+ int val2 = asb100_read_value(client, ASB100_REG_CHIPMAN);
/* If we're in bank 0 */
- if ( (!(val1 & 0x07)) &&
+ if ((!(val1 & 0x07)) &&
/* Check for ASB100 ID (low byte) */
- ( ((!(val1 & 0x80)) && (val2 != 0x94)) ||
+ (((!(val1 & 0x80)) && (val2 != 0x94)) ||
/* Check for ASB100 ID (high byte ) */
- ((val1 & 0x80) && (val2 != 0x06)) ) ) {
+ ((val1 & 0x80) && (val2 != 0x06)))) {
pr_debug("asb100.o: detect failed, "
"bad chip id 0x%02x!\n", val2);
err = -ENODEV;
/* We have either had a force parameter, or we have already detected
Winbond. Put it now into bank 0 and Vendor ID High Byte */
- asb100_write_value(new_client, ASB100_REG_BANK,
- (asb100_read_value(new_client, ASB100_REG_BANK) & 0x78) | 0x80);
+ asb100_write_value(client, ASB100_REG_BANK,
+ (asb100_read_value(client, ASB100_REG_BANK) & 0x78) | 0x80);
/* Determine the chip type. */
if (kind <= 0) {
- int val1 = asb100_read_value(new_client, ASB100_REG_WCHIPID);
- int val2 = asb100_read_value(new_client, ASB100_REG_CHIPMAN);
+ int val1 = asb100_read_value(client, ASB100_REG_WCHIPID);
+ int val2 = asb100_read_value(client, ASB100_REG_CHIPMAN);
if ((val1 == 0x31) && (val2 == 0x06))
kind = asb100;
else {
if (kind == 0)
- dev_warn(&new_client->dev, "ignoring "
+ dev_warn(&client->dev, "ignoring "
"'force' parameter for unknown chip "
"at adapter %d, address 0x%02x.\n",
i2c_adapter_id(adapter), address);
}
/* Fill in remaining client fields and put it into the global list */
- strlcpy(new_client->name, "asb100", I2C_NAME_SIZE);
+ strlcpy(client->name, "asb100", I2C_NAME_SIZE);
data->type = kind;
-
- data->valid = 0;
mutex_init(&data->update_lock);
/* Tell the I2C layer a new client has arrived */
- if ((err = i2c_attach_client(new_client)))
+ if ((err = i2c_attach_client(client)))
goto ERROR1;
/* Attach secondary lm75 clients */
if ((err = asb100_detect_subclients(adapter, address, kind,
- new_client)))
+ client)))
goto ERROR2;
/* Initialize the chip */
- asb100_init_client(new_client);
+ asb100_init_client(client);
/* A few vars need to be filled upon startup */
- data->fan_min[0] = asb100_read_value(new_client, ASB100_REG_FAN_MIN(0));
- data->fan_min[1] = asb100_read_value(new_client, ASB100_REG_FAN_MIN(1));
- data->fan_min[2] = asb100_read_value(new_client, ASB100_REG_FAN_MIN(2));
+ data->fan_min[0] = asb100_read_value(client, ASB100_REG_FAN_MIN(0));
+ data->fan_min[1] = asb100_read_value(client, ASB100_REG_FAN_MIN(1));
+ data->fan_min[2] = asb100_read_value(client, ASB100_REG_FAN_MIN(2));
/* Register sysfs hooks */
- data->class_dev = hwmon_device_register(&new_client->dev);
- if (IS_ERR(data->class_dev)) {
- err = PTR_ERR(data->class_dev);
+ if ((err = sysfs_create_group(&client->dev.kobj, &asb100_group)))
goto ERROR3;
- }
-
- device_create_file_in(new_client, 0);
- device_create_file_in(new_client, 1);
- device_create_file_in(new_client, 2);
- device_create_file_in(new_client, 3);
- device_create_file_in(new_client, 4);
- device_create_file_in(new_client, 5);
- device_create_file_in(new_client, 6);
-
- device_create_file_fan(new_client, 1);
- device_create_file_fan(new_client, 2);
- device_create_file_fan(new_client, 3);
- device_create_file_temp(new_client, 1);
- device_create_file_temp(new_client, 2);
- device_create_file_temp(new_client, 3);
- device_create_file_temp(new_client, 4);
-
- device_create_file_vid(new_client);
- device_create_file_vrm(new_client);
-
- device_create_file_alarms(new_client);
-
- device_create_file_pwm1(new_client);
+ data->hwmon_dev = hwmon_device_register(&client->dev);
+ if (IS_ERR(data->hwmon_dev)) {
+ err = PTR_ERR(data->hwmon_dev);
+ goto ERROR4;
+ }
return 0;
+ERROR4:
+ sysfs_remove_group(&client->dev.kobj, &asb100_group);
ERROR3:
i2c_detach_client(data->lm75[1]);
i2c_detach_client(data->lm75[0]);
kfree(data->lm75[1]);
kfree(data->lm75[0]);
ERROR2:
- i2c_detach_client(new_client);
+ i2c_detach_client(client);
ERROR1:
kfree(data);
ERROR0:
int err;
/* main client */
- if (data)
- hwmon_device_unregister(data->class_dev);
+ if (data) {
+ hwmon_device_unregister(data->hwmon_dev);
+ sysfs_remove_group(&client->dev.kobj, &asb100_group);
+ }
if ((err = i2c_detach_client(client)))
return err;
/* convert from ISA to LM75 I2C addresses */
switch (reg & 0xff) {
case 0x50: /* TEMP */
- res = swab16(i2c_smbus_read_word_data (cl, 0));
+ res = swab16(i2c_smbus_read_word_data(cl, 0));
break;
case 0x52: /* CONFIG */
res = i2c_smbus_read_byte_data(cl, 1);
break;
case 0x53: /* HYST */
- res = swab16(i2c_smbus_read_word_data (cl, 2));
+ res = swab16(i2c_smbus_read_word_data(cl, 2));
break;
case 0x55: /* MAX */
default:
- res = swab16(i2c_smbus_read_word_data (cl, 3));
+ res = swab16(i2c_smbus_read_word_data(cl, 3));
break;
}
}
vid = vid_from_reg(vid, data->vrm);
/* Start monitoring */
- asb100_write_value(client, ASB100_REG_CONFIG,
+ asb100_write_value(client, ASB100_REG_CONFIG,
(asb100_read_value(client, ASB100_REG_CONFIG) & 0xf7) | 0x01);
}
module_init(asb100_init);
module_exit(asb100_exit);
-