#include <linux/hwmon.h>
#include <linux/hwmon-sysfs.h>
#include <linux/err.h>
+#include <linux/mutex.h>
#include <asm/io.h>
static struct platform_device *pdev;
#define ADDR_REG_OFFSET 0
#define DATA_REG_OFFSET 1
-static struct resource f71805f_resource __initdata = {
- .flags = IORESOURCE_IO,
-};
-
/*
* Registers
*/
struct f71805f_data {
unsigned short addr;
const char *name;
- struct semaphore lock;
+ struct mutex lock;
struct class_device *class_dev;
- struct semaphore update_lock;
+ struct mutex update_lock;
char valid; /* !=0 if following fields are valid */
unsigned long last_updated; /* In jiffies */
unsigned long last_limits; /* In jiffies */
{
u8 val;
- down(&data->lock);
+ mutex_lock(&data->lock);
outb(reg, data->addr + ADDR_REG_OFFSET);
val = inb(data->addr + DATA_REG_OFFSET);
- up(&data->lock);
+ mutex_unlock(&data->lock);
return val;
}
static void f71805f_write8(struct f71805f_data *data, u8 reg, u8 val)
{
- down(&data->lock);
+ mutex_lock(&data->lock);
outb(reg, data->addr + ADDR_REG_OFFSET);
outb(val, data->addr + DATA_REG_OFFSET);
- up(&data->lock);
+ mutex_unlock(&data->lock);
}
/* It is important to read the MSB first, because doing so latches the
{
u16 val;
- down(&data->lock);
+ mutex_lock(&data->lock);
outb(reg, data->addr + ADDR_REG_OFFSET);
val = inb(data->addr + DATA_REG_OFFSET) << 8;
outb(++reg, data->addr + ADDR_REG_OFFSET);
val |= inb(data->addr + DATA_REG_OFFSET);
- up(&data->lock);
+ mutex_unlock(&data->lock);
return val;
}
static void f71805f_write16(struct f71805f_data *data, u8 reg, u16 val)
{
- down(&data->lock);
+ mutex_lock(&data->lock);
outb(reg, data->addr + ADDR_REG_OFFSET);
outb(val >> 8, data->addr + DATA_REG_OFFSET);
outb(++reg, data->addr + ADDR_REG_OFFSET);
outb(val & 0xff, data->addr + DATA_REG_OFFSET);
- up(&data->lock);
+ mutex_unlock(&data->lock);
}
static struct f71805f_data *f71805f_update_device(struct device *dev)
struct f71805f_data *data = dev_get_drvdata(dev);
int nr;
- down(&data->update_lock);
+ mutex_lock(&data->update_lock);
/* Limit registers cache is refreshed after 60 seconds */
if (time_after(jiffies, data->last_updated + 60 * HZ)
data->valid = 1;
}
- up(&data->update_lock);
+ mutex_unlock(&data->update_lock);
return data;
}
struct f71805f_data *data = dev_get_drvdata(dev);
long val = simple_strtol(buf, NULL, 10);
- down(&data->update_lock);
+ mutex_lock(&data->update_lock);
data->in_high[0] = in0_to_reg(val);
f71805f_write8(data, F71805F_REG_IN_HIGH(0), data->in_high[0]);
- up(&data->update_lock);
+ mutex_unlock(&data->update_lock);
return count;
}
struct f71805f_data *data = dev_get_drvdata(dev);
long val = simple_strtol(buf, NULL, 10);
- down(&data->update_lock);
+ mutex_lock(&data->update_lock);
data->in_low[0] = in0_to_reg(val);
f71805f_write8(data, F71805F_REG_IN_LOW(0), data->in_low[0]);
- up(&data->update_lock);
+ mutex_unlock(&data->update_lock);
return count;
}
-static DEVICE_ATTR(in0_input, S_IRUGO, show_in0, NULL);
-static DEVICE_ATTR(in0_max, S_IRUGO| S_IWUSR, show_in0_max, set_in0_max);
-static DEVICE_ATTR(in0_min, S_IRUGO| S_IWUSR, show_in0_min, set_in0_min);
-
static ssize_t show_in(struct device *dev, struct device_attribute *devattr,
char *buf)
{
int nr = attr->index;
long val = simple_strtol(buf, NULL, 10);
- down(&data->update_lock);
+ mutex_lock(&data->update_lock);
data->in_high[nr] = in_to_reg(val);
f71805f_write8(data, F71805F_REG_IN_HIGH(nr), data->in_high[nr]);
- up(&data->update_lock);
+ mutex_unlock(&data->update_lock);
return count;
}
int nr = attr->index;
long val = simple_strtol(buf, NULL, 10);
- down(&data->update_lock);
+ mutex_lock(&data->update_lock);
data->in_low[nr] = in_to_reg(val);
f71805f_write8(data, F71805F_REG_IN_LOW(nr), data->in_low[nr]);
- up(&data->update_lock);
+ mutex_unlock(&data->update_lock);
return count;
}
-#define sysfs_in(offset) \
-static SENSOR_DEVICE_ATTR(in##offset##_input, S_IRUGO, \
- show_in, NULL, offset); \
-static SENSOR_DEVICE_ATTR(in##offset##_max, S_IRUGO | S_IWUSR, \
- show_in_max, set_in_max, offset); \
-static SENSOR_DEVICE_ATTR(in##offset##_min, S_IRUGO | S_IWUSR, \
- show_in_min, set_in_min, offset)
-
-sysfs_in(1);
-sysfs_in(2);
-sysfs_in(3);
-sysfs_in(4);
-sysfs_in(5);
-sysfs_in(6);
-sysfs_in(7);
-sysfs_in(8);
-
static ssize_t show_fan(struct device *dev, struct device_attribute *devattr,
char *buf)
{
int nr = attr->index;
long val = simple_strtol(buf, NULL, 10);
- down(&data->update_lock);
+ mutex_lock(&data->update_lock);
data->fan_low[nr] = fan_to_reg(val);
f71805f_write16(data, F71805F_REG_FAN_LOW(nr), data->fan_low[nr]);
- up(&data->update_lock);
+ mutex_unlock(&data->update_lock);
return count;
}
-#define sysfs_fan(offset) \
-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)
-
-sysfs_fan(1);
-sysfs_fan(2);
-sysfs_fan(3);
-
static ssize_t show_temp(struct device *dev, struct device_attribute *devattr,
char *buf)
{
int nr = attr->index;
long val = simple_strtol(buf, NULL, 10);
- down(&data->update_lock);
+ mutex_lock(&data->update_lock);
data->temp_high[nr] = temp_to_reg(val);
f71805f_write8(data, F71805F_REG_TEMP_HIGH(nr), data->temp_high[nr]);
- up(&data->update_lock);
+ mutex_unlock(&data->update_lock);
return count;
}
int nr = attr->index;
long val = simple_strtol(buf, NULL, 10);
- down(&data->update_lock);
+ mutex_lock(&data->update_lock);
data->temp_hyst[nr] = temp_to_reg(val);
f71805f_write8(data, F71805F_REG_TEMP_HYST(nr), data->temp_hyst[nr]);
- up(&data->update_lock);
+ mutex_unlock(&data->update_lock);
return count;
}
-#define sysfs_temp(offset) \
-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_max, set_temp_max, offset - 1); \
-static SENSOR_DEVICE_ATTR(temp##offset##_max_hyst, S_IRUGO | S_IWUSR, \
- show_temp_hyst, set_temp_hyst, offset - 1); \
-static SENSOR_DEVICE_ATTR(temp##offset##_type, S_IRUGO, \
- show_temp_type, NULL, offset - 1)
-
-sysfs_temp(1);
-sysfs_temp(2);
-sysfs_temp(3);
-
static ssize_t show_alarms_in(struct device *dev, struct device_attribute
*devattr, char *buf)
{
return sprintf(buf, "%d\n", (data->alarms[1] >> 3) & 0x07);
}
-static DEVICE_ATTR(alarms_in, S_IRUGO, show_alarms_in, NULL);
-static DEVICE_ATTR(alarms_fan, S_IRUGO, show_alarms_fan, NULL);
-static DEVICE_ATTR(alarms_temp, S_IRUGO, show_alarms_temp, NULL);
-
static ssize_t show_name(struct device *dev, struct device_attribute
*devattr, char *buf)
{
return sprintf(buf, "%s\n", data->name);
}
-static DEVICE_ATTR(name, S_IRUGO, show_name, NULL);
+static struct device_attribute f71805f_dev_attr[] = {
+ __ATTR(in0_input, S_IRUGO, show_in0, NULL),
+ __ATTR(in0_max, S_IRUGO| S_IWUSR, show_in0_max, set_in0_max),
+ __ATTR(in0_min, S_IRUGO| S_IWUSR, show_in0_min, set_in0_min),
+ __ATTR(alarms_in, S_IRUGO, show_alarms_in, NULL),
+ __ATTR(alarms_fan, S_IRUGO, show_alarms_fan, NULL),
+ __ATTR(alarms_temp, S_IRUGO, show_alarms_temp, NULL),
+ __ATTR(name, S_IRUGO, show_name, NULL),
+};
+
+static struct sensor_device_attribute f71805f_sensor_attr[] = {
+ SENSOR_ATTR(in1_input, S_IRUGO, show_in, NULL, 1),
+ SENSOR_ATTR(in1_max, S_IRUGO | S_IWUSR,
+ show_in_max, set_in_max, 1),
+ SENSOR_ATTR(in1_min, S_IRUGO | S_IWUSR,
+ show_in_min, set_in_min, 1),
+ SENSOR_ATTR(in2_input, S_IRUGO, show_in, NULL, 2),
+ SENSOR_ATTR(in2_max, S_IRUGO | S_IWUSR,
+ show_in_max, set_in_max, 2),
+ SENSOR_ATTR(in2_min, S_IRUGO | S_IWUSR,
+ show_in_min, set_in_min, 2),
+ SENSOR_ATTR(in3_input, S_IRUGO, show_in, NULL, 3),
+ SENSOR_ATTR(in3_max, S_IRUGO | S_IWUSR,
+ show_in_max, set_in_max, 3),
+ SENSOR_ATTR(in3_min, S_IRUGO | S_IWUSR,
+ show_in_min, set_in_min, 3),
+ SENSOR_ATTR(in4_input, S_IRUGO, show_in, NULL, 4),
+ SENSOR_ATTR(in4_max, S_IRUGO | S_IWUSR,
+ show_in_max, set_in_max, 4),
+ SENSOR_ATTR(in4_min, S_IRUGO | S_IWUSR,
+ show_in_min, set_in_min, 4),
+ SENSOR_ATTR(in5_input, S_IRUGO, show_in, NULL, 5),
+ SENSOR_ATTR(in5_max, S_IRUGO | S_IWUSR,
+ show_in_max, set_in_max, 5),
+ SENSOR_ATTR(in5_min, S_IRUGO | S_IWUSR,
+ show_in_min, set_in_min, 5),
+ SENSOR_ATTR(in6_input, S_IRUGO, show_in, NULL, 6),
+ SENSOR_ATTR(in6_max, S_IRUGO | S_IWUSR,
+ show_in_max, set_in_max, 6),
+ SENSOR_ATTR(in6_min, S_IRUGO | S_IWUSR,
+ show_in_min, set_in_min, 6),
+ SENSOR_ATTR(in7_input, S_IRUGO, show_in, NULL, 7),
+ SENSOR_ATTR(in7_max, S_IRUGO | S_IWUSR,
+ show_in_max, set_in_max, 7),
+ SENSOR_ATTR(in7_min, S_IRUGO | S_IWUSR,
+ show_in_min, set_in_min, 7),
+ SENSOR_ATTR(in8_input, S_IRUGO, show_in, NULL, 8),
+ SENSOR_ATTR(in8_max, S_IRUGO | S_IWUSR,
+ show_in_max, set_in_max, 8),
+ SENSOR_ATTR(in8_min, S_IRUGO | S_IWUSR,
+ show_in_min, set_in_min, 8),
+
+ SENSOR_ATTR(temp1_input, S_IRUGO, show_temp, NULL, 0),
+ SENSOR_ATTR(temp1_max, S_IRUGO | S_IWUSR,
+ show_temp_max, set_temp_max, 0),
+ SENSOR_ATTR(temp1_max_hyst, S_IRUGO | S_IWUSR,
+ show_temp_hyst, set_temp_hyst, 0),
+ SENSOR_ATTR(temp1_type, S_IRUGO, show_temp_type, NULL, 0),
+ SENSOR_ATTR(temp2_input, S_IRUGO, show_temp, NULL, 1),
+ SENSOR_ATTR(temp2_max, S_IRUGO | S_IWUSR,
+ show_temp_max, set_temp_max, 1),
+ SENSOR_ATTR(temp2_max_hyst, S_IRUGO | S_IWUSR,
+ show_temp_hyst, set_temp_hyst, 1),
+ SENSOR_ATTR(temp2_type, S_IRUGO, show_temp_type, NULL, 1),
+ SENSOR_ATTR(temp3_input, S_IRUGO, show_temp, NULL, 2),
+ SENSOR_ATTR(temp3_max, S_IRUGO | S_IWUSR,
+ show_temp_max, set_temp_max, 2),
+ SENSOR_ATTR(temp3_max_hyst, S_IRUGO | S_IWUSR,
+ show_temp_hyst, set_temp_hyst, 2),
+ SENSOR_ATTR(temp3_type, S_IRUGO, show_temp_type, NULL, 2),
+};
+
+static struct sensor_device_attribute f71805f_fan_attr[] = {
+ SENSOR_ATTR(fan1_input, S_IRUGO, show_fan, NULL, 0),
+ SENSOR_ATTR(fan1_min, S_IRUGO | S_IWUSR,
+ show_fan_min, set_fan_min, 0),
+ SENSOR_ATTR(fan2_input, S_IRUGO, show_fan, NULL, 1),
+ SENSOR_ATTR(fan2_min, S_IRUGO | S_IWUSR,
+ show_fan_min, set_fan_min, 1),
+ SENSOR_ATTR(fan3_input, S_IRUGO, show_fan, NULL, 2),
+ SENSOR_ATTR(fan3_min, S_IRUGO | S_IWUSR,
+ show_fan_min, set_fan_min, 2),
+};
/*
* Device registration and initialization
{
struct f71805f_data *data;
struct resource *res;
- int err;
+ int i, err;
if (!(data = kzalloc(sizeof(struct f71805f_data), GFP_KERNEL))) {
err = -ENOMEM;
res = platform_get_resource(pdev, IORESOURCE_IO, 0);
data->addr = res->start;
- init_MUTEX(&data->lock);
+ mutex_init(&data->lock);
data->name = "f71805f";
- init_MUTEX(&data->update_lock);
+ mutex_init(&data->update_lock);
platform_set_drvdata(pdev, data);
f71805f_init_device(data);
/* Register sysfs interface files */
- device_create_file(&pdev->dev, &dev_attr_in0_input);
- device_create_file(&pdev->dev, &dev_attr_in0_max);
- device_create_file(&pdev->dev, &dev_attr_in0_min);
- device_create_file(&pdev->dev, &sensor_dev_attr_in1_input.dev_attr);
- device_create_file(&pdev->dev, &sensor_dev_attr_in2_input.dev_attr);
- device_create_file(&pdev->dev, &sensor_dev_attr_in3_input.dev_attr);
- device_create_file(&pdev->dev, &sensor_dev_attr_in4_input.dev_attr);
- device_create_file(&pdev->dev, &sensor_dev_attr_in5_input.dev_attr);
- device_create_file(&pdev->dev, &sensor_dev_attr_in6_input.dev_attr);
- device_create_file(&pdev->dev, &sensor_dev_attr_in7_input.dev_attr);
- device_create_file(&pdev->dev, &sensor_dev_attr_in8_input.dev_attr);
- device_create_file(&pdev->dev, &sensor_dev_attr_in1_max.dev_attr);
- device_create_file(&pdev->dev, &sensor_dev_attr_in2_max.dev_attr);
- device_create_file(&pdev->dev, &sensor_dev_attr_in3_max.dev_attr);
- device_create_file(&pdev->dev, &sensor_dev_attr_in4_max.dev_attr);
- device_create_file(&pdev->dev, &sensor_dev_attr_in5_max.dev_attr);
- device_create_file(&pdev->dev, &sensor_dev_attr_in6_max.dev_attr);
- device_create_file(&pdev->dev, &sensor_dev_attr_in7_max.dev_attr);
- device_create_file(&pdev->dev, &sensor_dev_attr_in8_max.dev_attr);
- device_create_file(&pdev->dev, &sensor_dev_attr_in1_min.dev_attr);
- device_create_file(&pdev->dev, &sensor_dev_attr_in2_min.dev_attr);
- device_create_file(&pdev->dev, &sensor_dev_attr_in3_min.dev_attr);
- device_create_file(&pdev->dev, &sensor_dev_attr_in4_min.dev_attr);
- device_create_file(&pdev->dev, &sensor_dev_attr_in5_min.dev_attr);
- device_create_file(&pdev->dev, &sensor_dev_attr_in6_min.dev_attr);
- device_create_file(&pdev->dev, &sensor_dev_attr_in7_min.dev_attr);
- device_create_file(&pdev->dev, &sensor_dev_attr_in8_min.dev_attr);
- if (data->fan_enabled & (1 << 0)) {
- device_create_file(&pdev->dev,
- &sensor_dev_attr_fan1_input.dev_attr);
- device_create_file(&pdev->dev,
- &sensor_dev_attr_fan1_min.dev_attr);
+ for (i = 0; i < ARRAY_SIZE(f71805f_dev_attr); i++) {
+ err = device_create_file(&pdev->dev, &f71805f_dev_attr[i]);
+ if (err)
+ goto exit_class;
}
- if (data->fan_enabled & (1 << 1)) {
- device_create_file(&pdev->dev,
- &sensor_dev_attr_fan2_input.dev_attr);
- device_create_file(&pdev->dev,
- &sensor_dev_attr_fan2_min.dev_attr);
+ for (i = 0; i < ARRAY_SIZE(f71805f_sensor_attr); i++) {
+ err = device_create_file(&pdev->dev,
+ &f71805f_sensor_attr[i].dev_attr);
+ if (err)
+ goto exit_class;
}
- if (data->fan_enabled & (1 << 2)) {
- device_create_file(&pdev->dev,
- &sensor_dev_attr_fan3_input.dev_attr);
- device_create_file(&pdev->dev,
- &sensor_dev_attr_fan3_min.dev_attr);
+ for (i = 0; i < ARRAY_SIZE(f71805f_fan_attr); i++) {
+ if (!(data->fan_enabled & (1 << (i / 2))))
+ continue;
+ err = device_create_file(&pdev->dev,
+ &f71805f_fan_attr[i].dev_attr);
+ if (err)
+ goto exit_class;
}
- device_create_file(&pdev->dev,
- &sensor_dev_attr_temp1_input.dev_attr);
- device_create_file(&pdev->dev,
- &sensor_dev_attr_temp2_input.dev_attr);
- device_create_file(&pdev->dev,
- &sensor_dev_attr_temp3_input.dev_attr);
- device_create_file(&pdev->dev, &sensor_dev_attr_temp1_max.dev_attr);
- device_create_file(&pdev->dev, &sensor_dev_attr_temp2_max.dev_attr);
- device_create_file(&pdev->dev, &sensor_dev_attr_temp3_max.dev_attr);
- device_create_file(&pdev->dev,
- &sensor_dev_attr_temp1_max_hyst.dev_attr);
- device_create_file(&pdev->dev,
- &sensor_dev_attr_temp2_max_hyst.dev_attr);
- device_create_file(&pdev->dev,
- &sensor_dev_attr_temp3_max_hyst.dev_attr);
- device_create_file(&pdev->dev, &sensor_dev_attr_temp1_type.dev_attr);
- device_create_file(&pdev->dev, &sensor_dev_attr_temp2_type.dev_attr);
- device_create_file(&pdev->dev, &sensor_dev_attr_temp3_type.dev_attr);
- device_create_file(&pdev->dev, &dev_attr_alarms_in);
- device_create_file(&pdev->dev, &dev_attr_alarms_fan);
- device_create_file(&pdev->dev, &dev_attr_alarms_temp);
- device_create_file(&pdev->dev, &dev_attr_name);
return 0;
+exit_class:
+ dev_err(&pdev->dev, "Sysfs interface creation failed\n");
+ hwmon_device_unregister(data->class_dev);
exit_free:
kfree(data);
exit:
static int __init f71805f_device_add(unsigned short address)
{
+ struct resource res = {
+ .start = address,
+ .end = address + REGION_LENGTH - 1,
+ .flags = IORESOURCE_IO,
+ };
int err;
pdev = platform_device_alloc(DRVNAME, address);
goto exit;
}
- f71805f_resource.start = address;
- f71805f_resource.end = address + REGION_LENGTH - 1;
- f71805f_resource.name = pdev->name;
- err = platform_device_add_resources(pdev, &f71805f_resource, 1);
+ res.name = pdev->name;
+ err = platform_device_add_resources(pdev, &res, 1);
if (err) {
printk(KERN_ERR DRVNAME ": Device resource addition failed "
"(%d)\n", err);
projects / linux-2.6 / blobdiff