for hardware monitoring
Copyright (c) 1998 - 2002 Frodo Looijaard <frodol@dds.nl>,
- Kyösti Mälkki <kmalkki@cc.hut.fi>,
+ Kyösti Mälkki <kmalkki@cc.hut.fi>,
Mark Studebaker <mdsxyz123@yahoo.com>,
and Bob Dougherty <bobd@stanford.edu>
(Some conversion-factor data were contributed by Jonathan Teh Soon Yew
#include <linux/slab.h>
#include <linux/pci.h>
#include <linux/jiffies.h>
-#include <linux/i2c.h>
-#include <linux/i2c-isa.h>
+#include <linux/platform_device.h>
#include <linux/hwmon.h>
+#include <linux/hwmon-sysfs.h>
#include <linux/err.h>
#include <linux/init.h>
#include <linux/mutex.h>
MODULE_PARM_DESC(force_addr,
"Initialize the base address of the sensors");
-/* Device address
- Note that we can't determine the ISA address until we have initialized
- our module */
-static unsigned short address;
+static struct platform_device *pdev;
/*
The Via 686a southbridge has a LM78-like chip integrated on the same IC.
/* For each registered chip, we need to keep some data in memory.
The structure is dynamically allocated. */
struct via686a_data {
- struct i2c_client client;
- struct class_device *class_dev;
+ unsigned short addr;
+ const char *name;
+ struct device *hwmon_dev;
struct mutex update_lock;
char valid; /* !=0 if following fields are valid */
unsigned long last_updated; /* In jiffies */
static struct pci_dev *s_bridge; /* pointer to the (only) via686a */
-static int via686a_detect(struct i2c_adapter *adapter);
-static int via686a_detach_client(struct i2c_client *client);
+static int via686a_probe(struct platform_device *pdev);
+static int __devexit via686a_remove(struct platform_device *pdev);
-static inline int via686a_read_value(struct i2c_client *client, u8 reg)
+static inline int via686a_read_value(struct via686a_data *data, u8 reg)
{
- return (inb_p(client->addr + reg));
+ return inb_p(data->addr + reg);
}
-static inline void via686a_write_value(struct i2c_client *client, u8 reg,
+static inline void via686a_write_value(struct via686a_data *data, u8 reg,
u8 value)
{
- outb_p(value, client->addr + reg);
+ outb_p(value, data->addr + reg);
}
static struct via686a_data *via686a_update_device(struct device *dev);
-static void via686a_init_client(struct i2c_client *client);
+static void via686a_init_device(struct via686a_data *data);
/* following are the sysfs callback functions */
/* 7 voltage sensors */
-static ssize_t show_in(struct device *dev, char *buf, int nr) {
+static ssize_t show_in(struct device *dev, struct device_attribute *da,
+ char *buf) {
struct via686a_data *data = via686a_update_device(dev);
+ struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
+ int nr = attr->index;
return sprintf(buf, "%ld\n", IN_FROM_REG(data->in[nr], nr));
}
-static ssize_t show_in_min(struct device *dev, char *buf, int nr) {
+static ssize_t show_in_min(struct device *dev, struct device_attribute *da,
+ char *buf) {
struct via686a_data *data = via686a_update_device(dev);
+ struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
+ int nr = attr->index;
return sprintf(buf, "%ld\n", IN_FROM_REG(data->in_min[nr], nr));
}
-static ssize_t show_in_max(struct device *dev, char *buf, int nr) {
+static ssize_t show_in_max(struct device *dev, struct device_attribute *da,
+ char *buf) {
struct via686a_data *data = via686a_update_device(dev);
+ struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
+ int nr = attr->index;
return sprintf(buf, "%ld\n", IN_FROM_REG(data->in_max[nr], nr));
}
-static ssize_t set_in_min(struct device *dev, const char *buf,
- size_t count, int nr) {
- struct i2c_client *client = to_i2c_client(dev);
- struct via686a_data *data = i2c_get_clientdata(client);
+static ssize_t set_in_min(struct device *dev, struct device_attribute *da,
+ const char *buf, size_t count) {
+ struct via686a_data *data = dev_get_drvdata(dev);
+ struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
+ int nr = attr->index;
unsigned long val = simple_strtoul(buf, NULL, 10);
mutex_lock(&data->update_lock);
data->in_min[nr] = IN_TO_REG(val, nr);
- via686a_write_value(client, VIA686A_REG_IN_MIN(nr),
+ via686a_write_value(data, VIA686A_REG_IN_MIN(nr),
data->in_min[nr]);
mutex_unlock(&data->update_lock);
return count;
}
-static ssize_t set_in_max(struct device *dev, const char *buf,
- size_t count, int nr) {
- struct i2c_client *client = to_i2c_client(dev);
- struct via686a_data *data = i2c_get_clientdata(client);
+static ssize_t set_in_max(struct device *dev, struct device_attribute *da,
+ const char *buf, size_t count) {
+ struct via686a_data *data = dev_get_drvdata(dev);
+ struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
+ int nr = attr->index;
unsigned long val = simple_strtoul(buf, NULL, 10);
mutex_lock(&data->update_lock);
data->in_max[nr] = IN_TO_REG(val, nr);
- via686a_write_value(client, VIA686A_REG_IN_MAX(nr),
+ via686a_write_value(data, VIA686A_REG_IN_MAX(nr),
data->in_max[nr]);
mutex_unlock(&data->update_lock);
return count;
}
#define show_in_offset(offset) \
-static ssize_t \
- show_in##offset (struct device *dev, struct device_attribute *attr, char *buf) \
-{ \
- return show_in(dev, buf, offset); \
-} \
-static ssize_t \
- show_in##offset##_min (struct device *dev, struct device_attribute *attr, char *buf) \
-{ \
- return show_in_min(dev, buf, offset); \
-} \
-static ssize_t \
- show_in##offset##_max (struct device *dev, struct device_attribute *attr, char *buf) \
-{ \
- return show_in_max(dev, buf, offset); \
-} \
-static ssize_t set_in##offset##_min (struct device *dev, struct device_attribute *attr, \
- const char *buf, size_t count) \
-{ \
- return set_in_min(dev, buf, count, offset); \
-} \
-static ssize_t set_in##offset##_max (struct device *dev, struct device_attribute *attr, \
- const char *buf, size_t count) \
-{ \
- return set_in_max(dev, buf, count, offset); \
-} \
-static DEVICE_ATTR(in##offset##_input, S_IRUGO, show_in##offset, NULL);\
-static DEVICE_ATTR(in##offset##_min, S_IRUGO | S_IWUSR, \
- show_in##offset##_min, set_in##offset##_min); \
-static DEVICE_ATTR(in##offset##_max, S_IRUGO | S_IWUSR, \
- show_in##offset##_max, set_in##offset##_max);
+static SENSOR_DEVICE_ATTR(in##offset##_input, S_IRUGO, \
+ show_in, NULL, offset); \
+static SENSOR_DEVICE_ATTR(in##offset##_min, S_IRUGO | S_IWUSR, \
+ show_in_min, set_in_min, offset); \
+static SENSOR_DEVICE_ATTR(in##offset##_max, S_IRUGO | S_IWUSR, \
+ show_in_max, set_in_max, offset);
show_in_offset(0);
show_in_offset(1);
show_in_offset(4);
/* 3 temperatures */
-static ssize_t show_temp(struct device *dev, char *buf, int nr) {
+static ssize_t show_temp(struct device *dev, struct device_attribute *da,
+ char *buf) {
struct via686a_data *data = via686a_update_device(dev);
+ struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
+ int nr = attr->index;
return sprintf(buf, "%ld\n", TEMP_FROM_REG10(data->temp[nr]));
}
-static ssize_t show_temp_over(struct device *dev, char *buf, int nr) {
+static ssize_t show_temp_over(struct device *dev, struct device_attribute *da,
+ char *buf) {
struct via686a_data *data = via686a_update_device(dev);
+ struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
+ int nr = attr->index;
return sprintf(buf, "%ld\n", TEMP_FROM_REG(data->temp_over[nr]));
}
-static ssize_t show_temp_hyst(struct device *dev, char *buf, int nr) {
+static ssize_t show_temp_hyst(struct device *dev, struct device_attribute *da,
+ char *buf) {
struct via686a_data *data = via686a_update_device(dev);
+ struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
+ int nr = attr->index;
return sprintf(buf, "%ld\n", TEMP_FROM_REG(data->temp_hyst[nr]));
}
-static ssize_t set_temp_over(struct device *dev, const char *buf,
- size_t count, int nr) {
- struct i2c_client *client = to_i2c_client(dev);
- struct via686a_data *data = i2c_get_clientdata(client);
+static ssize_t set_temp_over(struct device *dev, struct device_attribute *da,
+ const char *buf, size_t count) {
+ struct via686a_data *data = dev_get_drvdata(dev);
+ struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
+ int nr = attr->index;
int val = simple_strtol(buf, NULL, 10);
mutex_lock(&data->update_lock);
data->temp_over[nr] = TEMP_TO_REG(val);
- via686a_write_value(client, VIA686A_REG_TEMP_OVER[nr],
+ via686a_write_value(data, VIA686A_REG_TEMP_OVER[nr],
data->temp_over[nr]);
mutex_unlock(&data->update_lock);
return count;
}
-static ssize_t set_temp_hyst(struct device *dev, const char *buf,
- size_t count, int nr) {
- struct i2c_client *client = to_i2c_client(dev);
- struct via686a_data *data = i2c_get_clientdata(client);
+static ssize_t set_temp_hyst(struct device *dev, struct device_attribute *da,
+ const char *buf, size_t count) {
+ struct via686a_data *data = dev_get_drvdata(dev);
+ struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
+ int nr = attr->index;
int val = simple_strtol(buf, NULL, 10);
mutex_lock(&data->update_lock);
data->temp_hyst[nr] = TEMP_TO_REG(val);
- via686a_write_value(client, VIA686A_REG_TEMP_HYST[nr],
+ via686a_write_value(data, VIA686A_REG_TEMP_HYST[nr],
data->temp_hyst[nr]);
mutex_unlock(&data->update_lock);
return count;
}
#define show_temp_offset(offset) \
-static ssize_t show_temp_##offset (struct device *dev, struct device_attribute *attr, char *buf) \
-{ \
- return show_temp(dev, buf, offset - 1); \
-} \
-static ssize_t \
-show_temp_##offset##_over (struct device *dev, struct device_attribute *attr, char *buf) \
-{ \
- return show_temp_over(dev, buf, offset - 1); \
-} \
-static ssize_t \
-show_temp_##offset##_hyst (struct device *dev, struct device_attribute *attr, char *buf) \
-{ \
- return show_temp_hyst(dev, buf, offset - 1); \
-} \
-static ssize_t set_temp_##offset##_over (struct device *dev, struct device_attribute *attr, \
- const char *buf, size_t count) \
-{ \
- return set_temp_over(dev, buf, count, offset - 1); \
-} \
-static ssize_t set_temp_##offset##_hyst (struct device *dev, struct device_attribute *attr, \
- const char *buf, size_t count) \
-{ \
- return set_temp_hyst(dev, buf, count, offset - 1); \
-} \
-static DEVICE_ATTR(temp##offset##_input, S_IRUGO, show_temp_##offset, NULL);\
-static DEVICE_ATTR(temp##offset##_max, S_IRUGO | S_IWUSR, \
- show_temp_##offset##_over, set_temp_##offset##_over); \
-static DEVICE_ATTR(temp##offset##_max_hyst, S_IRUGO | S_IWUSR, \
- show_temp_##offset##_hyst, set_temp_##offset##_hyst);
+static SENSOR_DEVICE_ATTR(temp##offset##_input, S_IRUGO, \
+ show_temp, NULL, offset - 1); \
+static SENSOR_DEVICE_ATTR(temp##offset##_max, S_IRUGO | S_IWUSR, \
+ show_temp_over, set_temp_over, offset - 1); \
+static SENSOR_DEVICE_ATTR(temp##offset##_max_hyst, S_IRUGO | S_IWUSR, \
+ show_temp_hyst, set_temp_hyst, offset - 1);
show_temp_offset(1);
show_temp_offset(2);
show_temp_offset(3);
/* 2 Fans */
-static ssize_t show_fan(struct device *dev, char *buf, int nr) {
+static ssize_t show_fan(struct device *dev, struct device_attribute *da,
+ char *buf) {
struct via686a_data *data = via686a_update_device(dev);
+ struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
+ int nr = attr->index;
return sprintf(buf, "%d\n", FAN_FROM_REG(data->fan[nr],
DIV_FROM_REG(data->fan_div[nr])) );
}
-static ssize_t show_fan_min(struct device *dev, char *buf, int nr) {
+static ssize_t show_fan_min(struct device *dev, struct device_attribute *da,
+ char *buf) {
struct via686a_data *data = via686a_update_device(dev);
+ struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
+ int nr = attr->index;
return sprintf(buf, "%d\n",
FAN_FROM_REG(data->fan_min[nr], DIV_FROM_REG(data->fan_div[nr])) );
}
-static ssize_t show_fan_div(struct device *dev, char *buf, int nr) {
+static ssize_t show_fan_div(struct device *dev, struct device_attribute *da,
+ char *buf) {
struct via686a_data *data = via686a_update_device(dev);
+ struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
+ int nr = attr->index;
return sprintf(buf, "%d\n", DIV_FROM_REG(data->fan_div[nr]) );
}
-static ssize_t set_fan_min(struct device *dev, const char *buf,
- size_t count, int nr) {
- struct i2c_client *client = to_i2c_client(dev);
- struct via686a_data *data = i2c_get_clientdata(client);
+static ssize_t set_fan_min(struct device *dev, struct device_attribute *da,
+ const char *buf, size_t count) {
+ struct via686a_data *data = dev_get_drvdata(dev);
+ struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
+ int nr = attr->index;
int val = simple_strtol(buf, NULL, 10);
mutex_lock(&data->update_lock);
data->fan_min[nr] = FAN_TO_REG(val, DIV_FROM_REG(data->fan_div[nr]));
- via686a_write_value(client, VIA686A_REG_FAN_MIN(nr+1), data->fan_min[nr]);
+ via686a_write_value(data, VIA686A_REG_FAN_MIN(nr+1), data->fan_min[nr]);
mutex_unlock(&data->update_lock);
return count;
}
-static ssize_t set_fan_div(struct device *dev, const char *buf,
- size_t count, int nr) {
- struct i2c_client *client = to_i2c_client(dev);
- struct via686a_data *data = i2c_get_clientdata(client);
+static ssize_t set_fan_div(struct device *dev, struct device_attribute *da,
+ const char *buf, size_t count) {
+ struct via686a_data *data = dev_get_drvdata(dev);
+ struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
+ int nr = attr->index;
int val = simple_strtol(buf, NULL, 10);
int old;
mutex_lock(&data->update_lock);
- old = via686a_read_value(client, VIA686A_REG_FANDIV);
+ old = via686a_read_value(data, VIA686A_REG_FANDIV);
data->fan_div[nr] = DIV_TO_REG(val);
old = (old & 0x0f) | (data->fan_div[1] << 6) | (data->fan_div[0] << 4);
- via686a_write_value(client, VIA686A_REG_FANDIV, old);
+ via686a_write_value(data, VIA686A_REG_FANDIV, old);
mutex_unlock(&data->update_lock);
return count;
}
#define show_fan_offset(offset) \
-static ssize_t show_fan_##offset (struct device *dev, struct device_attribute *attr, char *buf) \
-{ \
- return show_fan(dev, buf, offset - 1); \
-} \
-static ssize_t show_fan_##offset##_min (struct device *dev, struct device_attribute *attr, char *buf) \
-{ \
- return show_fan_min(dev, buf, offset - 1); \
-} \
-static ssize_t show_fan_##offset##_div (struct device *dev, struct device_attribute *attr, char *buf) \
-{ \
- return show_fan_div(dev, buf, offset - 1); \
-} \
-static ssize_t set_fan_##offset##_min (struct device *dev, struct device_attribute *attr, \
- const char *buf, size_t count) \
-{ \
- return set_fan_min(dev, buf, count, offset - 1); \
-} \
-static ssize_t set_fan_##offset##_div (struct device *dev, struct device_attribute *attr, \
- const char *buf, size_t count) \
-{ \
- return set_fan_div(dev, buf, count, offset - 1); \
-} \
-static DEVICE_ATTR(fan##offset##_input, S_IRUGO, show_fan_##offset, NULL);\
-static DEVICE_ATTR(fan##offset##_min, S_IRUGO | S_IWUSR, \
- show_fan_##offset##_min, set_fan_##offset##_min); \
-static DEVICE_ATTR(fan##offset##_div, S_IRUGO | S_IWUSR, \
- show_fan_##offset##_div, set_fan_##offset##_div);
+static SENSOR_DEVICE_ATTR(fan##offset##_input, S_IRUGO, \
+ show_fan, NULL, offset - 1); \
+static SENSOR_DEVICE_ATTR(fan##offset##_min, S_IRUGO | S_IWUSR, \
+ show_fan_min, set_fan_min, offset - 1); \
+static SENSOR_DEVICE_ATTR(fan##offset##_div, S_IRUGO | S_IWUSR, \
+ show_fan_div, set_fan_div, offset - 1);
show_fan_offset(1);
show_fan_offset(2);
}
static DEVICE_ATTR(alarms, S_IRUGO, show_alarms, NULL);
+static ssize_t show_alarm(struct device *dev, struct device_attribute *attr,
+ char *buf)
+{
+ int bitnr = to_sensor_dev_attr(attr)->index;
+ struct via686a_data *data = via686a_update_device(dev);
+ return sprintf(buf, "%u\n", (data->alarms >> bitnr) & 1);
+}
+static SENSOR_DEVICE_ATTR(in0_alarm, S_IRUGO, show_alarm, NULL, 0);
+static SENSOR_DEVICE_ATTR(in1_alarm, S_IRUGO, show_alarm, NULL, 1);
+static SENSOR_DEVICE_ATTR(in2_alarm, S_IRUGO, show_alarm, NULL, 2);
+static SENSOR_DEVICE_ATTR(in3_alarm, S_IRUGO, show_alarm, NULL, 3);
+static SENSOR_DEVICE_ATTR(in4_alarm, S_IRUGO, show_alarm, NULL, 8);
+static SENSOR_DEVICE_ATTR(temp1_alarm, S_IRUGO, show_alarm, NULL, 4);
+static SENSOR_DEVICE_ATTR(temp2_alarm, S_IRUGO, show_alarm, NULL, 11);
+static SENSOR_DEVICE_ATTR(temp3_alarm, S_IRUGO, show_alarm, NULL, 15);
+static SENSOR_DEVICE_ATTR(fan1_alarm, S_IRUGO, show_alarm, NULL, 6);
+static SENSOR_DEVICE_ATTR(fan2_alarm, S_IRUGO, show_alarm, NULL, 7);
+
+static ssize_t show_name(struct device *dev, struct device_attribute
+ *devattr, char *buf)
+{
+ struct via686a_data *data = dev_get_drvdata(dev);
+ return sprintf(buf, "%s\n", data->name);
+}
+static DEVICE_ATTR(name, S_IRUGO, show_name, NULL);
+
static struct attribute *via686a_attributes[] = {
- &dev_attr_in0_input.attr,
- &dev_attr_in1_input.attr,
- &dev_attr_in2_input.attr,
- &dev_attr_in3_input.attr,
- &dev_attr_in4_input.attr,
- &dev_attr_in0_min.attr,
- &dev_attr_in1_min.attr,
- &dev_attr_in2_min.attr,
- &dev_attr_in3_min.attr,
- &dev_attr_in4_min.attr,
- &dev_attr_in0_max.attr,
- &dev_attr_in1_max.attr,
- &dev_attr_in2_max.attr,
- &dev_attr_in3_max.attr,
- &dev_attr_in4_max.attr,
-
- &dev_attr_temp1_input.attr,
- &dev_attr_temp2_input.attr,
- &dev_attr_temp3_input.attr,
- &dev_attr_temp1_max.attr,
- &dev_attr_temp2_max.attr,
- &dev_attr_temp3_max.attr,
- &dev_attr_temp1_max_hyst.attr,
- &dev_attr_temp2_max_hyst.attr,
- &dev_attr_temp3_max_hyst.attr,
-
- &dev_attr_fan1_input.attr,
- &dev_attr_fan2_input.attr,
- &dev_attr_fan1_min.attr,
- &dev_attr_fan2_min.attr,
- &dev_attr_fan1_div.attr,
- &dev_attr_fan2_div.attr,
+ &sensor_dev_attr_in0_input.dev_attr.attr,
+ &sensor_dev_attr_in1_input.dev_attr.attr,
+ &sensor_dev_attr_in2_input.dev_attr.attr,
+ &sensor_dev_attr_in3_input.dev_attr.attr,
+ &sensor_dev_attr_in4_input.dev_attr.attr,
+ &sensor_dev_attr_in0_min.dev_attr.attr,
+ &sensor_dev_attr_in1_min.dev_attr.attr,
+ &sensor_dev_attr_in2_min.dev_attr.attr,
+ &sensor_dev_attr_in3_min.dev_attr.attr,
+ &sensor_dev_attr_in4_min.dev_attr.attr,
+ &sensor_dev_attr_in0_max.dev_attr.attr,
+ &sensor_dev_attr_in1_max.dev_attr.attr,
+ &sensor_dev_attr_in2_max.dev_attr.attr,
+ &sensor_dev_attr_in3_max.dev_attr.attr,
+ &sensor_dev_attr_in4_max.dev_attr.attr,
+ &sensor_dev_attr_in0_alarm.dev_attr.attr,
+ &sensor_dev_attr_in1_alarm.dev_attr.attr,
+ &sensor_dev_attr_in2_alarm.dev_attr.attr,
+ &sensor_dev_attr_in3_alarm.dev_attr.attr,
+ &sensor_dev_attr_in4_alarm.dev_attr.attr,
+
+ &sensor_dev_attr_temp1_input.dev_attr.attr,
+ &sensor_dev_attr_temp2_input.dev_attr.attr,
+ &sensor_dev_attr_temp3_input.dev_attr.attr,
+ &sensor_dev_attr_temp1_max.dev_attr.attr,
+ &sensor_dev_attr_temp2_max.dev_attr.attr,
+ &sensor_dev_attr_temp3_max.dev_attr.attr,
+ &sensor_dev_attr_temp1_max_hyst.dev_attr.attr,
+ &sensor_dev_attr_temp2_max_hyst.dev_attr.attr,
+ &sensor_dev_attr_temp3_max_hyst.dev_attr.attr,
+ &sensor_dev_attr_temp1_alarm.dev_attr.attr,
+ &sensor_dev_attr_temp2_alarm.dev_attr.attr,
+ &sensor_dev_attr_temp3_alarm.dev_attr.attr,
+
+ &sensor_dev_attr_fan1_input.dev_attr.attr,
+ &sensor_dev_attr_fan2_input.dev_attr.attr,
+ &sensor_dev_attr_fan1_min.dev_attr.attr,
+ &sensor_dev_attr_fan2_min.dev_attr.attr,
+ &sensor_dev_attr_fan1_div.dev_attr.attr,
+ &sensor_dev_attr_fan2_div.dev_attr.attr,
+ &sensor_dev_attr_fan1_alarm.dev_attr.attr,
+ &sensor_dev_attr_fan2_alarm.dev_attr.attr,
&dev_attr_alarms.attr,
+ &dev_attr_name.attr,
NULL
};
.attrs = via686a_attributes,
};
-/* The driver. I choose to use type i2c_driver, as at is identical to both
- smbus_driver and isa_driver, and clients could be of either kind */
-static struct i2c_driver via686a_driver = {
+static struct platform_driver via686a_driver = {
.driver = {
.owner = THIS_MODULE,
.name = "via686a",
},
- .attach_adapter = via686a_detect,
- .detach_client = via686a_detach_client,
+ .probe = via686a_probe,
+ .remove = __devexit_p(via686a_remove),
};
/* This is called when the module is loaded */
-static int via686a_detect(struct i2c_adapter *adapter)
+static int __devinit via686a_probe(struct platform_device *pdev)
{
- struct i2c_client *new_client;
struct via686a_data *data;
- int err = 0;
- const char client_name[] = "via686a";
- u16 val;
-
- /* 8231 requires multiple of 256, we enforce that on 686 as well */
- if (force_addr) {
- address = force_addr & 0xFF00;
- dev_warn(&adapter->dev, "forcing ISA address 0x%04X\n",
- address);
- if (PCIBIOS_SUCCESSFUL !=
- pci_write_config_word(s_bridge, VIA686A_BASE_REG, address))
- return -ENODEV;
- }
- if (PCIBIOS_SUCCESSFUL !=
- pci_read_config_word(s_bridge, VIA686A_ENABLE_REG, &val))
- return -ENODEV;
- if (!(val & 0x0001)) {
- if (force_addr) {
- dev_info(&adapter->dev, "enabling sensors\n");
- if (PCIBIOS_SUCCESSFUL !=
- pci_write_config_word(s_bridge, VIA686A_ENABLE_REG,
- val | 0x0001))
- return -ENODEV;
- } else {
- dev_warn(&adapter->dev, "sensors disabled - enable "
- "with force_addr=0x%x\n", address);
- return -ENODEV;
- }
- }
+ struct resource *res;
+ int err;
/* Reserve the ISA region */
- if (!request_region(address, VIA686A_EXTENT,
+ res = platform_get_resource(pdev, IORESOURCE_IO, 0);
+ if (!request_region(res->start, VIA686A_EXTENT,
via686a_driver.driver.name)) {
- dev_err(&adapter->dev, "region 0x%x already in use!\n",
- address);
+ dev_err(&pdev->dev, "Region 0x%lx-0x%lx already in use!\n",
+ (unsigned long)res->start, (unsigned long)res->end);
return -ENODEV;
}
goto exit_release;
}
- new_client = &data->client;
- i2c_set_clientdata(new_client, data);
- new_client->addr = address;
- new_client->adapter = adapter;
- new_client->driver = &via686a_driver;
- new_client->flags = 0;
-
- /* Fill in the remaining client fields and put into the global list */
- strlcpy(new_client->name, client_name, I2C_NAME_SIZE);
-
- data->valid = 0;
+ platform_set_drvdata(pdev, data);
+ data->addr = res->start;
+ data->name = "via686a";
mutex_init(&data->update_lock);
- /* Tell the I2C layer a new client has arrived */
- if ((err = i2c_attach_client(new_client)))
- goto exit_free;
/* Initialize the VIA686A chip */
- via686a_init_client(new_client);
+ via686a_init_device(data);
/* Register sysfs hooks */
- if ((err = sysfs_create_group(&new_client->dev.kobj, &via686a_group)))
- goto exit_detach;
+ if ((err = sysfs_create_group(&pdev->dev.kobj, &via686a_group)))
+ goto exit_free;
- data->class_dev = hwmon_device_register(&new_client->dev);
- if (IS_ERR(data->class_dev)) {
- err = PTR_ERR(data->class_dev);
+ data->hwmon_dev = hwmon_device_register(&pdev->dev);
+ if (IS_ERR(data->hwmon_dev)) {
+ err = PTR_ERR(data->hwmon_dev);
goto exit_remove_files;
}
return 0;
exit_remove_files:
- sysfs_remove_group(&new_client->dev.kobj, &via686a_group);
-exit_detach:
- i2c_detach_client(new_client);
+ sysfs_remove_group(&pdev->dev.kobj, &via686a_group);
exit_free:
kfree(data);
exit_release:
- release_region(address, VIA686A_EXTENT);
+ release_region(res->start, VIA686A_EXTENT);
return err;
}
-static int via686a_detach_client(struct i2c_client *client)
+static int __devexit via686a_remove(struct platform_device *pdev)
{
- struct via686a_data *data = i2c_get_clientdata(client);
- int err;
+ struct via686a_data *data = platform_get_drvdata(pdev);
- hwmon_device_unregister(data->class_dev);
- sysfs_remove_group(&client->dev.kobj, &via686a_group);
+ hwmon_device_unregister(data->hwmon_dev);
+ sysfs_remove_group(&pdev->dev.kobj, &via686a_group);
- if ((err = i2c_detach_client(client)))
- return err;
-
- release_region(client->addr, VIA686A_EXTENT);
+ release_region(data->addr, VIA686A_EXTENT);
+ platform_set_drvdata(pdev, NULL);
kfree(data);
return 0;
}
-static void via686a_init_client(struct i2c_client *client)
+static void __devinit via686a_init_device(struct via686a_data *data)
{
u8 reg;
/* Start monitoring */
- reg = via686a_read_value(client, VIA686A_REG_CONFIG);
- via686a_write_value(client, VIA686A_REG_CONFIG, (reg|0x01)&0x7F);
+ reg = via686a_read_value(data, VIA686A_REG_CONFIG);
+ via686a_write_value(data, VIA686A_REG_CONFIG, (reg | 0x01) & 0x7F);
/* Configure temp interrupt mode for continuous-interrupt operation */
- via686a_write_value(client, VIA686A_REG_TEMP_MODE,
- via686a_read_value(client, VIA686A_REG_TEMP_MODE) &
- !(VIA686A_TEMP_MODE_MASK | VIA686A_TEMP_MODE_CONTINUOUS));
+ reg = via686a_read_value(data, VIA686A_REG_TEMP_MODE);
+ via686a_write_value(data, VIA686A_REG_TEMP_MODE,
+ (reg & ~VIA686A_TEMP_MODE_MASK)
+ | VIA686A_TEMP_MODE_CONTINUOUS);
}
static struct via686a_data *via686a_update_device(struct device *dev)
{
- struct i2c_client *client = to_i2c_client(dev);
- struct via686a_data *data = i2c_get_clientdata(client);
+ struct via686a_data *data = dev_get_drvdata(dev);
int i;
mutex_lock(&data->update_lock);
|| !data->valid) {
for (i = 0; i <= 4; i++) {
data->in[i] =
- via686a_read_value(client, VIA686A_REG_IN(i));
- data->in_min[i] = via686a_read_value(client,
+ via686a_read_value(data, VIA686A_REG_IN(i));
+ data->in_min[i] = via686a_read_value(data,
VIA686A_REG_IN_MIN
(i));
data->in_max[i] =
- via686a_read_value(client, VIA686A_REG_IN_MAX(i));
+ via686a_read_value(data, VIA686A_REG_IN_MAX(i));
}
for (i = 1; i <= 2; i++) {
data->fan[i - 1] =
- via686a_read_value(client, VIA686A_REG_FAN(i));
- data->fan_min[i - 1] = via686a_read_value(client,
+ via686a_read_value(data, VIA686A_REG_FAN(i));
+ data->fan_min[i - 1] = via686a_read_value(data,
VIA686A_REG_FAN_MIN(i));
}
for (i = 0; i <= 2; i++) {
- data->temp[i] = via686a_read_value(client,
+ data->temp[i] = via686a_read_value(data,
VIA686A_REG_TEMP[i]) << 2;
data->temp_over[i] =
- via686a_read_value(client,
+ via686a_read_value(data,
VIA686A_REG_TEMP_OVER[i]);
data->temp_hyst[i] =
- via686a_read_value(client,
+ via686a_read_value(data,
VIA686A_REG_TEMP_HYST[i]);
}
/* add in lower 2 bits
temp2 uses bits 5-4 of VIA686A_REG_TEMP_LOW23
temp3 uses bits 7-6 of VIA686A_REG_TEMP_LOW23
*/
- data->temp[0] |= (via686a_read_value(client,
+ data->temp[0] |= (via686a_read_value(data,
VIA686A_REG_TEMP_LOW1)
& 0xc0) >> 6;
data->temp[1] |=
- (via686a_read_value(client, VIA686A_REG_TEMP_LOW23) &
+ (via686a_read_value(data, VIA686A_REG_TEMP_LOW23) &
0x30) >> 4;
data->temp[2] |=
- (via686a_read_value(client, VIA686A_REG_TEMP_LOW23) &
+ (via686a_read_value(data, VIA686A_REG_TEMP_LOW23) &
0xc0) >> 6;
- i = via686a_read_value(client, VIA686A_REG_FANDIV);
+ i = via686a_read_value(data, VIA686A_REG_FANDIV);
data->fan_div[0] = (i >> 4) & 0x03;
data->fan_div[1] = i >> 6;
data->alarms =
- via686a_read_value(client,
+ via686a_read_value(data,
VIA686A_REG_ALARM1) |
- (via686a_read_value(client, VIA686A_REG_ALARM2) << 8);
+ (via686a_read_value(data, VIA686A_REG_ALARM2) << 8);
data->last_updated = jiffies;
data->valid = 1;
}
MODULE_DEVICE_TABLE(pci, via686a_pci_ids);
+static int __devinit via686a_device_add(unsigned short address)
+{
+ struct resource res = {
+ .start = address,
+ .end = address + VIA686A_EXTENT - 1,
+ .name = "via686a",
+ .flags = IORESOURCE_IO,
+ };
+ int err;
+
+ pdev = platform_device_alloc("via686a", address);
+ if (!pdev) {
+ err = -ENOMEM;
+ printk(KERN_ERR "via686a: Device allocation failed\n");
+ goto exit;
+ }
+
+ err = platform_device_add_resources(pdev, &res, 1);
+ if (err) {
+ printk(KERN_ERR "via686a: Device resource addition failed "
+ "(%d)\n", err);
+ goto exit_device_put;
+ }
+
+ err = platform_device_add(pdev);
+ if (err) {
+ printk(KERN_ERR "via686a: Device addition failed (%d)\n",
+ err);
+ goto exit_device_put;
+ }
+
+ return 0;
+
+exit_device_put:
+ platform_device_put(pdev);
+exit:
+ return err;
+}
+
static int __devinit via686a_pci_probe(struct pci_dev *dev,
const struct pci_device_id *id)
{
- u16 val;
+ u16 address, val;
+ if (force_addr) {
+ address = force_addr & ~(VIA686A_EXTENT - 1);
+ dev_warn(&dev->dev, "Forcing ISA address 0x%x\n", address);
+ if (PCIBIOS_SUCCESSFUL !=
+ pci_write_config_word(dev, VIA686A_BASE_REG, address | 1))
+ return -ENODEV;
+ }
if (PCIBIOS_SUCCESSFUL !=
pci_read_config_word(dev, VIA686A_BASE_REG, &val))
return -ENODEV;
address = val & ~(VIA686A_EXTENT - 1);
- if (address == 0 && force_addr == 0) {
+ if (address == 0) {
dev_err(&dev->dev, "base address not set - upgrade BIOS "
"or use force_addr=0xaddr\n");
return -ENODEV;
}
- s_bridge = pci_dev_get(dev);
- if (i2c_isa_add_driver(&via686a_driver)) {
- pci_dev_put(s_bridge);
- s_bridge = NULL;
+ if (PCIBIOS_SUCCESSFUL !=
+ pci_read_config_word(dev, VIA686A_ENABLE_REG, &val))
+ return -ENODEV;
+ if (!(val & 0x0001)) {
+ if (!force_addr) {
+ dev_warn(&dev->dev, "Sensors disabled, enable "
+ "with force_addr=0x%x\n", address);
+ return -ENODEV;
+ }
+
+ dev_warn(&dev->dev, "Enabling sensors\n");
+ if (PCIBIOS_SUCCESSFUL !=
+ pci_write_config_word(dev, VIA686A_ENABLE_REG,
+ val | 0x0001))
+ return -ENODEV;
}
+ if (platform_driver_register(&via686a_driver))
+ goto exit;
+
+ /* Sets global pdev as a side effect */
+ if (via686a_device_add(address))
+ goto exit_unregister;
+
/* Always return failure here. This is to allow other drivers to bind
* to this pci device. We don't really want to have control over the
* pci device, we only wanted to read as few register values from it.
*/
+ s_bridge = pci_dev_get(dev);
+ return -ENODEV;
+
+exit_unregister:
+ platform_driver_unregister(&via686a_driver);
+exit:
return -ENODEV;
}
{
pci_unregister_driver(&via686a_pci_driver);
if (s_bridge != NULL) {
- i2c_isa_del_driver(&via686a_driver);
+ platform_device_unregister(pdev);
+ platform_driver_unregister(&via686a_driver);
pci_dev_put(s_bridge);
s_bridge = NULL;
}
}
-MODULE_AUTHOR("Kyösti Mälkki <kmalkki@cc.hut.fi>, "
+MODULE_AUTHOR("Kyösti Mälkki <kmalkki@cc.hut.fi>, "
"Mark Studebaker <mdsxyz123@yahoo.com> "
"and Bob Dougherty <bobd@stanford.edu>");
MODULE_DESCRIPTION("VIA 686A Sensor device");
git.openpandora.org / pandora-kernel.git / blobdiff