#include <linux/jiffies.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>
-#include <asm/io.h>
+#include <linux/acpi.h>
+#include <linux/io.h>
+
+static unsigned short force_id;
+module_param(force_id, ushort, 0);
+MODULE_PARM_DESC(force_id, "Override the detected device ID");
static struct platform_device *pdev;
struct smsc47b397_data {
unsigned short addr;
const char *name;
- struct class_device *class_dev;
+ struct device *hwmon_dev;
struct mutex lock;
struct mutex update_lock;
return (s8)reg * 1000;
}
-/* 0 <= nr <= 3 */
-static ssize_t show_temp(struct device *dev, char *buf, int nr)
+static ssize_t show_temp(struct device *dev, struct device_attribute
+ *devattr, char *buf)
{
+ struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
struct smsc47b397_data *data = smsc47b397_update_device(dev);
- return sprintf(buf, "%d\n", temp_from_reg(data->temp[nr]));
+ return sprintf(buf, "%d\n", temp_from_reg(data->temp[attr->index]));
}
-#define sysfs_temp(num) \
-static ssize_t show_temp##num(struct device *dev, struct device_attribute *attr, char *buf) \
-{ \
- return show_temp(dev, buf, num-1); \
-} \
-static DEVICE_ATTR(temp##num##_input, S_IRUGO, show_temp##num, NULL)
-
-sysfs_temp(1);
-sysfs_temp(2);
-sysfs_temp(3);
-sysfs_temp(4);
+static SENSOR_DEVICE_ATTR(temp1_input, S_IRUGO, show_temp, NULL, 0);
+static SENSOR_DEVICE_ATTR(temp2_input, S_IRUGO, show_temp, NULL, 1);
+static SENSOR_DEVICE_ATTR(temp3_input, S_IRUGO, show_temp, NULL, 2);
+static SENSOR_DEVICE_ATTR(temp4_input, S_IRUGO, show_temp, NULL, 3);
/* FAN: 1 RPM/bit
REG: count of 90kHz pulses / revolution */
static int fan_from_reg(u16 reg)
{
+ if (reg == 0 || reg == 0xffff)
+ return 0;
return 90000 * 60 / reg;
}
-/* 0 <= nr <= 3 */
-static ssize_t show_fan(struct device *dev, char *buf, int nr)
+static ssize_t show_fan(struct device *dev, struct device_attribute
+ *devattr, char *buf)
{
- struct smsc47b397_data *data = smsc47b397_update_device(dev);
- return sprintf(buf, "%d\n", fan_from_reg(data->fan[nr]));
+ struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
+ struct smsc47b397_data *data = smsc47b397_update_device(dev);
+ return sprintf(buf, "%d\n", fan_from_reg(data->fan[attr->index]));
}
-
-#define sysfs_fan(num) \
-static ssize_t show_fan##num(struct device *dev, struct device_attribute *attr, char *buf) \
-{ \
- return show_fan(dev, buf, num-1); \
-} \
-static DEVICE_ATTR(fan##num##_input, S_IRUGO, show_fan##num, NULL)
-
-sysfs_fan(1);
-sysfs_fan(2);
-sysfs_fan(3);
-sysfs_fan(4);
+static SENSOR_DEVICE_ATTR(fan1_input, S_IRUGO, show_fan, NULL, 0);
+static SENSOR_DEVICE_ATTR(fan2_input, S_IRUGO, show_fan, NULL, 1);
+static SENSOR_DEVICE_ATTR(fan3_input, S_IRUGO, show_fan, NULL, 2);
+static SENSOR_DEVICE_ATTR(fan4_input, S_IRUGO, show_fan, NULL, 3);
static ssize_t show_name(struct device *dev, struct device_attribute
*devattr, char *buf)
static DEVICE_ATTR(name, S_IRUGO, show_name, NULL);
static struct attribute *smsc47b397_attributes[] = {
- &dev_attr_temp1_input.attr,
- &dev_attr_temp2_input.attr,
- &dev_attr_temp3_input.attr,
- &dev_attr_temp4_input.attr,
- &dev_attr_fan1_input.attr,
- &dev_attr_fan2_input.attr,
- &dev_attr_fan3_input.attr,
- &dev_attr_fan4_input.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_temp4_input.dev_attr.attr,
+ &sensor_dev_attr_fan1_input.dev_attr.attr,
+ &sensor_dev_attr_fan2_input.dev_attr.attr,
+ &sensor_dev_attr_fan3_input.dev_attr.attr,
+ &sensor_dev_attr_fan4_input.dev_attr.attr,
&dev_attr_name.attr,
NULL
struct smsc47b397_data *data = platform_get_drvdata(pdev);
struct resource *res;
- hwmon_device_unregister(data->class_dev);
+ hwmon_device_unregister(data->hwmon_dev);
sysfs_remove_group(&pdev->dev.kobj, &smsc47b397_group);
res = platform_get_resource(pdev, IORESOURCE_IO, 0);
release_region(res->start, SMSC_EXTENT);
if ((err = sysfs_create_group(&dev->kobj, &smsc47b397_group)))
goto error_free;
- data->class_dev = hwmon_device_register(dev);
- if (IS_ERR(data->class_dev)) {
- err = PTR_ERR(data->class_dev);
+ data->hwmon_dev = hwmon_device_register(dev);
+ if (IS_ERR(data->hwmon_dev)) {
+ err = PTR_ERR(data->hwmon_dev);
goto error_remove;
}
};
int err;
+ err = acpi_check_resource_conflict(&res);
+ if (err)
+ goto exit;
+
pdev = platform_device_alloc(DRVNAME, address);
if (!pdev) {
err = -ENOMEM;
static int __init smsc47b397_find(unsigned short *addr)
{
u8 id, rev;
+ char *name;
superio_enter();
- id = superio_inb(SUPERIO_REG_DEVID);
-
- if ((id != 0x6f) && (id != 0x81)) {
+ id = force_id ? force_id : superio_inb(SUPERIO_REG_DEVID);
+
+ switch(id) {
+ case 0x81:
+ name = "SCH5307-NS";
+ break;
+ case 0x6f:
+ name = "LPC47B397-NC";
+ break;
+ case 0x85:
+ case 0x8c:
+ name = "SCH5317";
+ break;
+ default:
superio_exit();
return -ENODEV;
}
printk(KERN_INFO DRVNAME ": found SMSC %s "
"(base address 0x%04x, revision %u)\n",
- id == 0x81 ? "SCH5307-NS" : "LPC47B397-NC", *addr, rev);
+ name, *addr, rev);
superio_exit();
return 0;