#include <linux/hwmon.h>
#include <linux/hwmon-sysfs.h>
#include <linux/err.h>
+#include <linux/mutex.h>
/* Addresses to scan */
static unsigned short normal_i2c[] = { 0x2c, 0x2d, 0x2e, 0x2f, I2C_CLIENT_END };
struct w83792d_data {
struct i2c_client client;
struct class_device *class_dev;
- struct semaphore lock;
enum chips type;
- struct semaphore update_lock;
+ struct mutex update_lock;
char valid; /* !=0 if following fields are valid */
unsigned long last_updated; /* In jiffies */
u8 in[9]; /* Register value */
u8 in_max[9]; /* Register value */
u8 in_min[9]; /* Register value */
- u8 low_bits[2]; /* Additional resolution to voltage in0-6 */
+ u16 low_bits; /* Additional resolution to voltage in6-0 */
u8 fan[7]; /* Register value */
u8 fan_min[7]; /* Register value */
u8 temp1[3]; /* current, over, thyst */
static int w83792d_attach_adapter(struct i2c_adapter *adapter);
static int w83792d_detect(struct i2c_adapter *adapter, int address, int kind);
static int w83792d_detach_client(struct i2c_client *client);
-
-static int w83792d_read_value(struct i2c_client *client, u8 register);
-static int w83792d_write_value(struct i2c_client *client, u8 register,
- u8 value);
static struct w83792d_data *w83792d_update_device(struct device *dev);
#ifdef DEBUG
static void w83792d_init_client(struct i2c_client *client);
static struct i2c_driver w83792d_driver = {
- .owner = THIS_MODULE,
- .name = "w83792d",
+ .driver = {
+ .name = "w83792d",
+ },
.attach_adapter = w83792d_attach_adapter,
.detach_client = w83792d_detach_client,
};
-static long in_count_from_reg(int nr, struct w83792d_data *data)
+static inline long in_count_from_reg(int nr, struct w83792d_data *data)
{
- u16 vol_count = data->in[nr];
- u16 low_bits = 0;
- vol_count = (vol_count << 2);
- switch (nr)
- {
- case 0: /* vin0 */
- low_bits = (data->low_bits[0]) & 0x03;
- break;
- case 1: /* vin1 */
- low_bits = ((data->low_bits[0]) & 0x0c) >> 2;
- break;
- case 2: /* vin2 */
- low_bits = ((data->low_bits[0]) & 0x30) >> 4;
- break;
- case 3: /* vin3 */
- low_bits = ((data->low_bits[0]) & 0xc0) >> 6;
- break;
- case 4: /* vin4 */
- low_bits = (data->low_bits[1]) & 0x03;
- break;
- case 5: /* vin5 */
- low_bits = ((data->low_bits[1]) & 0x0c) >> 2;
- break;
- case 6: /* vin6 */
- low_bits = ((data->low_bits[1]) & 0x30) >> 4;
- default:
- break;
- }
- vol_count = vol_count | low_bits;
- return vol_count;
+ /* in7 and in8 do not have low bits, but the formula still works */
+ return ((data->in[nr] << 2) | ((data->low_bits >> (2 * nr)) & 0x03));
+}
+
+/* The SMBus locks itself. The Winbond W83792D chip has a bank register,
+ but the driver only accesses registers in bank 0, so we don't have
+ to switch banks and lock access between switches. */
+static inline int w83792d_read_value(struct i2c_client *client, u8 reg)
+{
+ return i2c_smbus_read_byte_data(client, reg);
+}
+
+static inline int
+w83792d_write_value(struct i2c_client *client, u8 reg, u8 value)
+{
+ return i2c_smbus_write_byte_data(client, reg, value);
}
/* following are the sysfs callback functions */
store_in_reg(MIN, min);
store_in_reg(MAX, max);
-#define sysfs_in_reg(offset) \
-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, store_in_min, offset); \
-static SENSOR_DEVICE_ATTR(in##offset##_max, S_IRUGO | S_IWUSR, \
- show_in_max, store_in_max, offset);
-
-sysfs_in_reg(0);
-sysfs_in_reg(1);
-sysfs_in_reg(2);
-sysfs_in_reg(3);
-sysfs_in_reg(4);
-sysfs_in_reg(5);
-sysfs_in_reg(6);
-sysfs_in_reg(7);
-sysfs_in_reg(8);
-
-#define device_create_file_in(client, offset) \
-do { \
-device_create_file(&client->dev, &sensor_dev_attr_in##offset##_input.dev_attr); \
-device_create_file(&client->dev, &sensor_dev_attr_in##offset##_max.dev_attr); \
-device_create_file(&client->dev, &sensor_dev_attr_in##offset##_min.dev_attr); \
-} while (0)
+static struct sensor_device_attribute sda_in_input[] = {
+ SENSOR_ATTR(in0_input, S_IRUGO, show_in, NULL, 0),
+ SENSOR_ATTR(in1_input, S_IRUGO, show_in, NULL, 1),
+ SENSOR_ATTR(in2_input, S_IRUGO, show_in, NULL, 2),
+ SENSOR_ATTR(in3_input, S_IRUGO, show_in, NULL, 3),
+ SENSOR_ATTR(in4_input, S_IRUGO, show_in, NULL, 4),
+ SENSOR_ATTR(in5_input, S_IRUGO, show_in, NULL, 5),
+ SENSOR_ATTR(in6_input, S_IRUGO, show_in, NULL, 6),
+ SENSOR_ATTR(in7_input, S_IRUGO, show_in, NULL, 7),
+ SENSOR_ATTR(in8_input, S_IRUGO, show_in, NULL, 8),
+};
+static struct sensor_device_attribute sda_in_min[] = {
+ SENSOR_ATTR(in0_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 0),
+ SENSOR_ATTR(in1_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 1),
+ SENSOR_ATTR(in2_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 2),
+ SENSOR_ATTR(in3_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 3),
+ SENSOR_ATTR(in4_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 4),
+ SENSOR_ATTR(in5_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 5),
+ SENSOR_ATTR(in6_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 6),
+ SENSOR_ATTR(in7_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 7),
+ SENSOR_ATTR(in8_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 8),
+};
+static struct sensor_device_attribute sda_in_max[] = {
+ SENSOR_ATTR(in0_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 0),
+ SENSOR_ATTR(in1_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 1),
+ SENSOR_ATTR(in2_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 2),
+ SENSOR_ATTR(in3_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 3),
+ SENSOR_ATTR(in4_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 4),
+ SENSOR_ATTR(in5_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 5),
+ SENSOR_ATTR(in6_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 6),
+ SENSOR_ATTR(in7_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 7),
+ SENSOR_ATTR(in8_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 8),
+};
+
#define show_fan_reg(reg) \
static ssize_t show_##reg (struct device *dev, struct device_attribute *attr, \
return count;
}
-#define sysfs_fan(offset) \
-static SENSOR_DEVICE_ATTR(fan##offset##_input, S_IRUGO, show_fan, NULL, \
- offset); \
-static SENSOR_DEVICE_ATTR(fan##offset##_div, S_IRUGO | S_IWUSR, \
- show_fan_div, store_fan_div, offset); \
-static SENSOR_DEVICE_ATTR(fan##offset##_min, S_IRUGO | S_IWUSR, \
- show_fan_min, store_fan_min, offset);
-
-sysfs_fan(1);
-sysfs_fan(2);
-sysfs_fan(3);
-sysfs_fan(4);
-sysfs_fan(5);
-sysfs_fan(6);
-sysfs_fan(7);
-
-#define device_create_file_fan(client, offset) \
-do { \
-device_create_file(&client->dev, &sensor_dev_attr_fan##offset##_input.dev_attr); \
-device_create_file(&client->dev, &sensor_dev_attr_fan##offset##_div.dev_attr); \
-device_create_file(&client->dev, &sensor_dev_attr_fan##offset##_min.dev_attr); \
-} while (0)
+static struct sensor_device_attribute sda_fan_input[] = {
+ SENSOR_ATTR(fan1_input, S_IRUGO, show_fan, NULL, 1),
+ SENSOR_ATTR(fan2_input, S_IRUGO, show_fan, NULL, 2),
+ SENSOR_ATTR(fan3_input, S_IRUGO, show_fan, NULL, 3),
+ SENSOR_ATTR(fan4_input, S_IRUGO, show_fan, NULL, 4),
+ SENSOR_ATTR(fan5_input, S_IRUGO, show_fan, NULL, 5),
+ SENSOR_ATTR(fan6_input, S_IRUGO, show_fan, NULL, 6),
+ SENSOR_ATTR(fan7_input, S_IRUGO, show_fan, NULL, 7),
+};
+static struct sensor_device_attribute sda_fan_min[] = {
+ SENSOR_ATTR(fan1_min, S_IWUSR | S_IRUGO, show_fan_min, store_fan_min, 1),
+ SENSOR_ATTR(fan2_min, S_IWUSR | S_IRUGO, show_fan_min, store_fan_min, 2),
+ SENSOR_ATTR(fan3_min, S_IWUSR | S_IRUGO, show_fan_min, store_fan_min, 3),
+ SENSOR_ATTR(fan4_min, S_IWUSR | S_IRUGO, show_fan_min, store_fan_min, 4),
+ SENSOR_ATTR(fan5_min, S_IWUSR | S_IRUGO, show_fan_min, store_fan_min, 5),
+ SENSOR_ATTR(fan6_min, S_IWUSR | S_IRUGO, show_fan_min, store_fan_min, 6),
+ SENSOR_ATTR(fan7_min, S_IWUSR | S_IRUGO, show_fan_min, store_fan_min, 7),
+};
+static struct sensor_device_attribute sda_fan_div[] = {
+ SENSOR_ATTR(fan1_div, S_IWUSR | S_IRUGO, show_fan_div, store_fan_div, 1),
+ SENSOR_ATTR(fan2_div, S_IWUSR | S_IRUGO, show_fan_div, store_fan_div, 2),
+ SENSOR_ATTR(fan3_div, S_IWUSR | S_IRUGO, show_fan_div, store_fan_div, 3),
+ SENSOR_ATTR(fan4_div, S_IWUSR | S_IRUGO, show_fan_div, store_fan_div, 4),
+ SENSOR_ATTR(fan5_div, S_IWUSR | S_IRUGO, show_fan_div, store_fan_div, 5),
+ SENSOR_ATTR(fan6_div, S_IWUSR | S_IRUGO, show_fan_div, store_fan_div, 6),
+ SENSOR_ATTR(fan7_div, S_IWUSR | S_IRUGO, show_fan_div, store_fan_div, 7),
+};
/* read/write the temperature1, includes measured value and limits */
return count;
}
-
-static SENSOR_DEVICE_ATTR(temp1_input, S_IRUGO, show_temp1, NULL, 0);
-static SENSOR_DEVICE_ATTR(temp1_max, S_IRUGO | S_IWUSR, show_temp1,
- store_temp1, 1);
-static SENSOR_DEVICE_ATTR(temp1_max_hyst, S_IRUGO | S_IWUSR, show_temp1,
- store_temp1, 2);
-
-#define device_create_file_temp1(client) \
-do { \
-device_create_file(&client->dev, &sensor_dev_attr_temp1_input.dev_attr); \
-device_create_file(&client->dev, &sensor_dev_attr_temp1_max.dev_attr); \
-device_create_file(&client->dev, &sensor_dev_attr_temp1_max_hyst.dev_attr); \
-} while (0)
-
-
/* read/write the temperature2-3, includes measured value and limits */
static ssize_t show_temp23(struct device *dev, struct device_attribute *attr,
return count;
}
-#define sysfs_temp23(name,idx) \
-static SENSOR_DEVICE_ATTR_2(name##_input, S_IRUGO, show_temp23, NULL, \
- idx, 0); \
-static SENSOR_DEVICE_ATTR_2(name##_max, S_IRUGO | S_IWUSR, \
- show_temp23, store_temp23, idx, 2); \
-static SENSOR_DEVICE_ATTR_2(name##_max_hyst, S_IRUGO | S_IWUSR, \
- show_temp23, store_temp23, idx, 4);
-
-sysfs_temp23(temp2,0)
-sysfs_temp23(temp3,1)
+static struct sensor_device_attribute_2 sda_temp_input[] = {
+ SENSOR_ATTR_2(temp1_input, S_IRUGO, show_temp1, NULL, 0, 0),
+ SENSOR_ATTR_2(temp2_input, S_IRUGO, show_temp23, NULL, 0, 0),
+ SENSOR_ATTR_2(temp3_input, S_IRUGO, show_temp23, NULL, 1, 0),
+};
-#define device_create_file_temp_add(client, offset) \
-do { \
-device_create_file(&client->dev, &sensor_dev_attr_temp##offset##_input.dev_attr); \
-device_create_file(&client->dev, &sensor_dev_attr_temp##offset##_max.dev_attr); \
-device_create_file(&client->dev, \
-&sensor_dev_attr_temp##offset##_max_hyst.dev_attr); \
-} while (0)
+static struct sensor_device_attribute_2 sda_temp_max[] = {
+ SENSOR_ATTR_2(temp1_max, S_IRUGO | S_IWUSR, show_temp1, store_temp1, 0, 1),
+ SENSOR_ATTR_2(temp2_max, S_IRUGO | S_IWUSR, show_temp23, store_temp23, 0, 2),
+ SENSOR_ATTR_2(temp3_max, S_IRUGO | S_IWUSR, show_temp23, store_temp23, 1, 2),
+};
+static struct sensor_device_attribute_2 sda_temp_max_hyst[] = {
+ SENSOR_ATTR_2(temp1_max_hyst, S_IRUGO | S_IWUSR, show_temp1, store_temp1, 0, 2),
+ SENSOR_ATTR_2(temp2_max_hyst, S_IRUGO | S_IWUSR, show_temp23, store_temp23, 0, 4),
+ SENSOR_ATTR_2(temp3_max_hyst, S_IRUGO | S_IWUSR, show_temp23, store_temp23, 1, 4),
+};
/* get reatime status of all sensors items: voltage, temp, fan */
static ssize_t
static
DEVICE_ATTR(alarms, S_IRUGO, show_alarms_reg, NULL);
-#define device_create_file_alarms(client) \
-device_create_file(&client->dev, &dev_attr_alarms);
-
-
static ssize_t
show_pwm(struct device *dev, struct device_attribute *attr,
return count;
}
-#define sysfs_pwm(offset) \
-static SENSOR_DEVICE_ATTR(pwm##offset, S_IRUGO | S_IWUSR, \
- show_pwm, store_pwm, offset); \
-static SENSOR_DEVICE_ATTR(pwm##offset##_enable, S_IRUGO | S_IWUSR, \
- show_pwmenable, store_pwmenable, offset); \
-
-sysfs_pwm(1);
-sysfs_pwm(2);
-sysfs_pwm(3);
-
-
-#define device_create_file_pwm(client, offset) \
-do { \
-device_create_file(&client->dev, &sensor_dev_attr_pwm##offset.dev_attr); \
-} while (0)
-
-#define device_create_file_pwmenable(client, offset) \
-do { \
-device_create_file(&client->dev, &sensor_dev_attr_pwm##offset##_enable.dev_attr); \
-} while (0)
+static struct sensor_device_attribute sda_pwm[] = {
+ SENSOR_ATTR(pwm1, S_IWUSR | S_IRUGO, show_pwm, store_pwm, 1),
+ SENSOR_ATTR(pwm2, S_IWUSR | S_IRUGO, show_pwm, store_pwm, 2),
+ SENSOR_ATTR(pwm3, S_IWUSR | S_IRUGO, show_pwm, store_pwm, 3),
+};
+static struct sensor_device_attribute sda_pwm_enable[] = {
+ SENSOR_ATTR(pwm1_enable, S_IWUSR | S_IRUGO,
+ show_pwmenable, store_pwmenable, 1),
+ SENSOR_ATTR(pwm2_enable, S_IWUSR | S_IRUGO,
+ show_pwmenable, store_pwmenable, 2),
+ SENSOR_ATTR(pwm3_enable, S_IWUSR | S_IRUGO,
+ show_pwmenable, store_pwmenable, 3),
+};
static ssize_t
return count;
}
-#define sysfs_pwm_mode(offset) \
-static SENSOR_DEVICE_ATTR(pwm##offset##_mode, S_IRUGO | S_IWUSR, \
- show_pwm_mode, store_pwm_mode, offset);
-
-sysfs_pwm_mode(1);
-sysfs_pwm_mode(2);
-sysfs_pwm_mode(3);
-
-#define device_create_file_pwm_mode(client, offset) \
-do { \
-device_create_file(&client->dev, &sensor_dev_attr_pwm##offset##_mode.dev_attr); \
-} while (0)
+static struct sensor_device_attribute sda_pwm_mode[] = {
+ SENSOR_ATTR(pwm1_mode, S_IWUSR | S_IRUGO,
+ show_pwm_mode, store_pwm_mode, 1),
+ SENSOR_ATTR(pwm2_mode, S_IWUSR | S_IRUGO,
+ show_pwm_mode, store_pwm_mode, 2),
+ SENSOR_ATTR(pwm3_mode, S_IWUSR | S_IRUGO,
+ show_pwm_mode, store_pwm_mode, 3),
+};
static ssize_t
static DEVICE_ATTR(chassis, S_IRUGO, show_regs_chassis, NULL);
-#define device_create_file_chassis(client) \
-do { \
-device_create_file(&client->dev, &dev_attr_chassis); \
-} while (0)
-
-
static ssize_t
show_chassis_clear(struct device *dev, struct device_attribute *attr, char *buf)
{
static DEVICE_ATTR(chassis_clear, S_IRUGO | S_IWUSR,
show_chassis_clear, store_chassis_clear);
-#define device_create_file_chassis_clear(client) \
-do { \
-device_create_file(&client->dev, &dev_attr_chassis_clear); \
-} while (0)
-
-
-
/* For Smart Fan I / Thermal Cruise */
static ssize_t
show_thermal_cruise(struct device *dev, struct device_attribute *attr,
return count;
}
-#define sysfs_thermal_cruise(offset) \
-static SENSOR_DEVICE_ATTR(thermal_cruise##offset, S_IRUGO | S_IWUSR, \
- show_thermal_cruise, store_thermal_cruise, offset);
-
-sysfs_thermal_cruise(1);
-sysfs_thermal_cruise(2);
-sysfs_thermal_cruise(3);
-
-#define device_create_file_thermal_cruise(client, offset) \
-do { \
-device_create_file(&client->dev, \
-&sensor_dev_attr_thermal_cruise##offset.dev_attr); \
-} while (0)
-
+static struct sensor_device_attribute sda_thermal_cruise[] = {
+ SENSOR_ATTR(thermal_cruise1, S_IWUSR | S_IRUGO,
+ show_thermal_cruise, store_thermal_cruise, 1),
+ SENSOR_ATTR(thermal_cruise2, S_IWUSR | S_IRUGO,
+ show_thermal_cruise, store_thermal_cruise, 2),
+ SENSOR_ATTR(thermal_cruise3, S_IWUSR | S_IRUGO,
+ show_thermal_cruise, store_thermal_cruise, 3),
+};
/* For Smart Fan I/Thermal Cruise and Smart Fan II */
static ssize_t
return count;
}
-#define sysfs_tolerance(offset) \
-static SENSOR_DEVICE_ATTR(tolerance##offset, S_IRUGO | S_IWUSR, \
- show_tolerance, store_tolerance, offset);
-
-sysfs_tolerance(1);
-sysfs_tolerance(2);
-sysfs_tolerance(3);
-
-#define device_create_file_tolerance(client, offset) \
-do { \
-device_create_file(&client->dev, &sensor_dev_attr_tolerance##offset.dev_attr); \
-} while (0)
-
+static struct sensor_device_attribute sda_tolerance[] = {
+ SENSOR_ATTR(tolerance1, S_IWUSR | S_IRUGO,
+ show_tolerance, store_tolerance, 1),
+ SENSOR_ATTR(tolerance2, S_IWUSR | S_IRUGO,
+ show_tolerance, store_tolerance, 2),
+ SENSOR_ATTR(tolerance3, S_IWUSR | S_IRUGO,
+ show_tolerance, store_tolerance, 3),
+};
/* For Smart Fan II */
static ssize_t
return count;
}
-#define sysfs_sf2_point(offset, index) \
-static SENSOR_DEVICE_ATTR_2(sf2_point##offset##_fan##index, S_IRUGO | S_IWUSR, \
- show_sf2_point, store_sf2_point, offset, index);
-
-sysfs_sf2_point(1, 1); /* Fan1 */
-sysfs_sf2_point(2, 1); /* Fan1 */
-sysfs_sf2_point(3, 1); /* Fan1 */
-sysfs_sf2_point(4, 1); /* Fan1 */
-sysfs_sf2_point(1, 2); /* Fan2 */
-sysfs_sf2_point(2, 2); /* Fan2 */
-sysfs_sf2_point(3, 2); /* Fan2 */
-sysfs_sf2_point(4, 2); /* Fan2 */
-sysfs_sf2_point(1, 3); /* Fan3 */
-sysfs_sf2_point(2, 3); /* Fan3 */
-sysfs_sf2_point(3, 3); /* Fan3 */
-sysfs_sf2_point(4, 3); /* Fan3 */
-
-#define device_create_file_sf2_point(client, offset, index) \
-do { \
-device_create_file(&client->dev, \
-&sensor_dev_attr_sf2_point##offset##_fan##index.dev_attr); \
-} while (0)
+static struct sensor_device_attribute_2 sda_sf2_point[] = {
+ SENSOR_ATTR_2(sf2_point1_fan1, S_IRUGO | S_IWUSR,
+ show_sf2_point, store_sf2_point, 1, 1),
+ SENSOR_ATTR_2(sf2_point2_fan1, S_IRUGO | S_IWUSR,
+ show_sf2_point, store_sf2_point, 2, 1),
+ SENSOR_ATTR_2(sf2_point3_fan1, S_IRUGO | S_IWUSR,
+ show_sf2_point, store_sf2_point, 3, 1),
+ SENSOR_ATTR_2(sf2_point4_fan1, S_IRUGO | S_IWUSR,
+ show_sf2_point, store_sf2_point, 4, 1),
+
+ SENSOR_ATTR_2(sf2_point1_fan2, S_IRUGO | S_IWUSR,
+ show_sf2_point, store_sf2_point, 1, 2),
+ SENSOR_ATTR_2(sf2_point2_fan2, S_IRUGO | S_IWUSR,
+ show_sf2_point, store_sf2_point, 2, 2),
+ SENSOR_ATTR_2(sf2_point3_fan2, S_IRUGO | S_IWUSR,
+ show_sf2_point, store_sf2_point, 3, 2),
+ SENSOR_ATTR_2(sf2_point4_fan2, S_IRUGO | S_IWUSR,
+ show_sf2_point, store_sf2_point, 4, 2),
+
+ SENSOR_ATTR_2(sf2_point1_fan3, S_IRUGO | S_IWUSR,
+ show_sf2_point, store_sf2_point, 1, 3),
+ SENSOR_ATTR_2(sf2_point2_fan3, S_IRUGO | S_IWUSR,
+ show_sf2_point, store_sf2_point, 2, 3),
+ SENSOR_ATTR_2(sf2_point3_fan3, S_IRUGO | S_IWUSR,
+ show_sf2_point, store_sf2_point, 3, 3),
+ SENSOR_ATTR_2(sf2_point4_fan3, S_IRUGO | S_IWUSR,
+ show_sf2_point, store_sf2_point, 4, 3),
+};
static ssize_t
return count;
}
-#define sysfs_sf2_level(offset, index) \
-static SENSOR_DEVICE_ATTR_2(sf2_level##offset##_fan##index, S_IRUGO | S_IWUSR, \
- show_sf2_level, store_sf2_level, offset, index);
-
-sysfs_sf2_level(1, 1); /* Fan1 */
-sysfs_sf2_level(2, 1); /* Fan1 */
-sysfs_sf2_level(3, 1); /* Fan1 */
-sysfs_sf2_level(1, 2); /* Fan2 */
-sysfs_sf2_level(2, 2); /* Fan2 */
-sysfs_sf2_level(3, 2); /* Fan2 */
-sysfs_sf2_level(1, 3); /* Fan3 */
-sysfs_sf2_level(2, 3); /* Fan3 */
-sysfs_sf2_level(3, 3); /* Fan3 */
-
-#define device_create_file_sf2_level(client, offset, index) \
-do { \
-device_create_file(&client->dev, \
-&sensor_dev_attr_sf2_level##offset##_fan##index.dev_attr); \
-} while (0)
-
+static struct sensor_device_attribute_2 sda_sf2_level[] = {
+ SENSOR_ATTR_2(sf2_level1_fan1, S_IRUGO | S_IWUSR,
+ show_sf2_level, store_sf2_level, 1, 1),
+ SENSOR_ATTR_2(sf2_level2_fan1, S_IRUGO | S_IWUSR,
+ show_sf2_level, store_sf2_level, 2, 1),
+ SENSOR_ATTR_2(sf2_level3_fan1, S_IRUGO | S_IWUSR,
+ show_sf2_level, store_sf2_level, 3, 1),
+
+ SENSOR_ATTR_2(sf2_level1_fan2, S_IRUGO | S_IWUSR,
+ show_sf2_level, store_sf2_level, 1, 2),
+ SENSOR_ATTR_2(sf2_level2_fan2, S_IRUGO | S_IWUSR,
+ show_sf2_level, store_sf2_level, 2, 2),
+ SENSOR_ATTR_2(sf2_level3_fan2, S_IRUGO | S_IWUSR,
+ show_sf2_level, store_sf2_level, 3, 2),
+
+ SENSOR_ATTR_2(sf2_level1_fan3, S_IRUGO | S_IWUSR,
+ show_sf2_level, store_sf2_level, 1, 3),
+ SENSOR_ATTR_2(sf2_level2_fan3, S_IRUGO | S_IWUSR,
+ show_sf2_level, store_sf2_level, 2, 3),
+ SENSOR_ATTR_2(sf2_level3_fan3, S_IRUGO | S_IWUSR,
+ show_sf2_level, store_sf2_level, 3, 3),
+};
/* This function is called when:
* w83792d_driver is inserted (when this module is loaded), for each
return err;
}
+static void device_create_file_fan(struct device *dev, int i)
+{
+ device_create_file(dev, &sda_fan_input[i].dev_attr);
+ device_create_file(dev, &sda_fan_div[i].dev_attr);
+ device_create_file(dev, &sda_fan_min[i].dev_attr);
+}
static int
w83792d_detect(struct i2c_adapter *adapter, int address, int kind)
{
int i = 0, val1 = 0, val2;
- struct i2c_client *new_client;
+ struct i2c_client *client;
+ struct device *dev;
struct w83792d_data *data;
int err = 0;
const char *client_name = "";
goto ERROR0;
}
- new_client = &data->client;
- i2c_set_clientdata(new_client, data);
- new_client->addr = address;
- init_MUTEX(&data->lock);
- new_client->adapter = adapter;
- new_client->driver = &w83792d_driver;
- new_client->flags = 0;
+ client = &data->client;
+ dev = &client->dev;
+ i2c_set_clientdata(client, data);
+ client->addr = address;
+ client->adapter = adapter;
+ client->driver = &w83792d_driver;
+ client->flags = 0;
/* Now, we do the remaining detection. */
force_*=... parameter, and the Winbond will be reset to the right
bank. */
if (kind < 0) {
- if (w83792d_read_value(new_client, W83792D_REG_CONFIG) & 0x80) {
- dev_warn(&new_client->dev, "Detection failed at step "
- "3\n");
+ if (w83792d_read_value(client, W83792D_REG_CONFIG) & 0x80) {
+ dev_dbg(dev, "Detection failed at step 1\n");
goto ERROR1;
}
- val1 = w83792d_read_value(new_client, W83792D_REG_BANK);
- val2 = w83792d_read_value(new_client, W83792D_REG_CHIPMAN);
+ val1 = w83792d_read_value(client, W83792D_REG_BANK);
+ val2 = w83792d_read_value(client, W83792D_REG_CHIPMAN);
/* Check for Winbond ID if in bank 0 */
if (!(val1 & 0x07)) { /* is Bank0 */
if (((!(val1 & 0x80)) && (val2 != 0xa3)) ||
((val1 & 0x80) && (val2 != 0x5c))) {
+ dev_dbg(dev, "Detection failed at step 2\n");
goto ERROR1;
}
}
/* If Winbond chip, address of chip and W83792D_REG_I2C_ADDR
should match */
- if (w83792d_read_value(new_client,
+ if (w83792d_read_value(client,
W83792D_REG_I2C_ADDR) != address) {
- dev_warn(&new_client->dev, "Detection failed "
- "at step 5\n");
+ dev_dbg(dev, "Detection failed at step 3\n");
goto ERROR1;
}
}
/* We have either had a force parameter, or we have already detected the
Winbond. Put it now into bank 0 and Vendor ID High Byte */
- w83792d_write_value(new_client,
+ w83792d_write_value(client,
W83792D_REG_BANK,
- (w83792d_read_value(new_client,
+ (w83792d_read_value(client,
W83792D_REG_BANK) & 0x78) | 0x80);
/* Determine the chip type. */
if (kind <= 0) {
/* get vendor ID */
- val2 = w83792d_read_value(new_client, W83792D_REG_CHIPMAN);
+ val2 = w83792d_read_value(client, W83792D_REG_CHIPMAN);
if (val2 != 0x5c) { /* the vendor is NOT Winbond */
goto ERROR1;
}
- val1 = w83792d_read_value(new_client, W83792D_REG_WCHIPID);
- if (val1 == 0x7a && address >= 0x2c) {
+ val1 = w83792d_read_value(client, W83792D_REG_WCHIPID);
+ if (val1 == 0x7a) {
kind = w83792d;
} else {
if (kind == 0)
- dev_warn(&new_client->dev,
+ dev_warn(dev,
"w83792d: Ignoring 'force' parameter for"
" unknown chip at adapter %d, address"
" 0x%02x\n", i2c_adapter_id(adapter),
if (kind == w83792d) {
client_name = "w83792d";
} else {
- dev_err(&new_client->dev, "w83792d: Internal error: unknown"
+ dev_err(dev, "w83792d: Internal error: unknown"
" kind (%d)?!?", kind);
goto ERROR1;
}
/* Fill in the remaining client fields and put into the global list */
- strlcpy(new_client->name, client_name, I2C_NAME_SIZE);
+ strlcpy(client->name, client_name, I2C_NAME_SIZE);
data->type = kind;
data->valid = 0;
- init_MUTEX(&data->update_lock);
+ 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;
if ((err = w83792d_detect_subclients(adapter, address,
- kind, new_client)))
+ kind, client)))
goto ERROR2;
/* Initialize the chip */
- w83792d_init_client(new_client);
+ w83792d_init_client(client);
/* A few vars need to be filled upon startup */
for (i = 0; i < 7; i++) {
- data->fan_min[i] = w83792d_read_value(new_client,
+ data->fan_min[i] = w83792d_read_value(client,
W83792D_REG_FAN_MIN[i]);
}
/* Register sysfs hooks */
- data->class_dev = hwmon_device_register(&new_client->dev);
+ data->class_dev = hwmon_device_register(dev);
if (IS_ERR(data->class_dev)) {
err = PTR_ERR(data->class_dev);
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_in(new_client, 7);
- device_create_file_in(new_client, 8);
-
- device_create_file_fan(new_client, 1);
- device_create_file_fan(new_client, 2);
- device_create_file_fan(new_client, 3);
+ for (i = 0; i < 9; i++) {
+ device_create_file(dev, &sda_in_input[i].dev_attr);
+ device_create_file(dev, &sda_in_max[i].dev_attr);
+ device_create_file(dev, &sda_in_min[i].dev_attr);
+ }
+ for (i = 0; i < 3; i++)
+ device_create_file_fan(dev, i);
/* Read GPIO enable register to check if pins for fan 4,5 are used as
GPIO */
- val1 = w83792d_read_value(new_client, W83792D_REG_GPIO_EN);
+ val1 = w83792d_read_value(client, W83792D_REG_GPIO_EN);
if (!(val1 & 0x40))
- device_create_file_fan(new_client, 4);
+ device_create_file_fan(dev, 3);
if (!(val1 & 0x20))
- device_create_file_fan(new_client, 5);
+ device_create_file_fan(dev, 4);
- val1 = w83792d_read_value(new_client, W83792D_REG_PIN);
+ val1 = w83792d_read_value(client, W83792D_REG_PIN);
if (val1 & 0x40)
- device_create_file_fan(new_client, 6);
+ device_create_file_fan(dev, 5);
if (val1 & 0x04)
- device_create_file_fan(new_client, 7);
-
- device_create_file_temp1(new_client); /* Temp1 */
- device_create_file_temp_add(new_client, 2); /* Temp2 */
- device_create_file_temp_add(new_client, 3); /* Temp3 */
-
- device_create_file_alarms(new_client);
-
- device_create_file_pwm(new_client, 1);
- device_create_file_pwm(new_client, 2);
- device_create_file_pwm(new_client, 3);
-
- device_create_file_pwmenable(new_client, 1);
- device_create_file_pwmenable(new_client, 2);
- device_create_file_pwmenable(new_client, 3);
-
- device_create_file_pwm_mode(new_client, 1);
- device_create_file_pwm_mode(new_client, 2);
- device_create_file_pwm_mode(new_client, 3);
-
- device_create_file_chassis(new_client);
- device_create_file_chassis_clear(new_client);
-
- device_create_file_thermal_cruise(new_client, 1);
- device_create_file_thermal_cruise(new_client, 2);
- device_create_file_thermal_cruise(new_client, 3);
-
- device_create_file_tolerance(new_client, 1);
- device_create_file_tolerance(new_client, 2);
- device_create_file_tolerance(new_client, 3);
-
- device_create_file_sf2_point(new_client, 1, 1); /* Fan1 */
- device_create_file_sf2_point(new_client, 2, 1); /* Fan1 */
- device_create_file_sf2_point(new_client, 3, 1); /* Fan1 */
- device_create_file_sf2_point(new_client, 4, 1); /* Fan1 */
- device_create_file_sf2_point(new_client, 1, 2); /* Fan2 */
- device_create_file_sf2_point(new_client, 2, 2); /* Fan2 */
- device_create_file_sf2_point(new_client, 3, 2); /* Fan2 */
- device_create_file_sf2_point(new_client, 4, 2); /* Fan2 */
- device_create_file_sf2_point(new_client, 1, 3); /* Fan3 */
- device_create_file_sf2_point(new_client, 2, 3); /* Fan3 */
- device_create_file_sf2_point(new_client, 3, 3); /* Fan3 */
- device_create_file_sf2_point(new_client, 4, 3); /* Fan3 */
-
- device_create_file_sf2_level(new_client, 1, 1); /* Fan1 */
- device_create_file_sf2_level(new_client, 2, 1); /* Fan1 */
- device_create_file_sf2_level(new_client, 3, 1); /* Fan1 */
- device_create_file_sf2_level(new_client, 1, 2); /* Fan2 */
- device_create_file_sf2_level(new_client, 2, 2); /* Fan2 */
- device_create_file_sf2_level(new_client, 3, 2); /* Fan2 */
- device_create_file_sf2_level(new_client, 1, 3); /* Fan3 */
- device_create_file_sf2_level(new_client, 2, 3); /* Fan3 */
- device_create_file_sf2_level(new_client, 3, 3); /* Fan3 */
+ device_create_file_fan(dev, 6);
+
+ for (i = 0; i < 3; i++) {
+ device_create_file(dev, &sda_temp_input[i].dev_attr);
+ device_create_file(dev, &sda_temp_max[i].dev_attr);
+ device_create_file(dev, &sda_temp_max_hyst[i].dev_attr);
+ device_create_file(dev, &sda_thermal_cruise[i].dev_attr);
+ device_create_file(dev, &sda_tolerance[i].dev_attr);
+ }
+
+ for (i = 0; i < ARRAY_SIZE(sda_pwm); i++) {
+ device_create_file(dev, &sda_pwm[i].dev_attr);
+ device_create_file(dev, &sda_pwm_enable[i].dev_attr);
+ device_create_file(dev, &sda_pwm_mode[i].dev_attr);
+ }
+
+ device_create_file(dev, &dev_attr_alarms);
+ device_create_file(dev, &dev_attr_chassis);
+ device_create_file(dev, &dev_attr_chassis_clear);
+
+ for (i = 0; i < ARRAY_SIZE(sda_sf2_point); i++)
+ device_create_file(dev, &sda_sf2_point[i].dev_attr);
+
+ for (i = 0; i < ARRAY_SIZE(sda_sf2_level); i++)
+ device_create_file(dev, &sda_sf2_level[i].dev_attr);
return 0;
kfree(data->lm75[1]);
}
ERROR2:
- i2c_detach_client(new_client);
+ i2c_detach_client(client);
ERROR1:
kfree(data);
ERROR0:
return 0;
}
-/* The SMBus locks itself, usually, but nothing may access the Winbond between
- bank switches. ISA access must always be locked explicitly!
- We ignore the W83792D BUSY flag at this moment - it could lead to deadlocks,
- would slow down the W83792D access and should not be necessary.
- There are some ugly typecasts here, but the good news is - they should
- nowhere else be necessary! */
-static int
-w83792d_read_value(struct i2c_client *client, u8 reg)
-{
- int res=0;
- res = i2c_smbus_read_byte_data(client, reg);
-
- return res;
-}
-
-static int
-w83792d_write_value(struct i2c_client *client, u8 reg, u8 value)
-{
- i2c_smbus_write_byte_data(client, reg, value);
- return 0;
-}
-
static void
w83792d_init_client(struct i2c_client *client)
{
int i, j;
u8 reg_array_tmp[4], pwm_array_tmp[7], reg_tmp;
- down(&data->update_lock);
+ mutex_lock(&data->update_lock);
if (time_after
(jiffies - data->last_updated, (unsigned long) (HZ * 3))
data->in_min[i] = w83792d_read_value(client,
W83792D_REG_IN_MIN[i]);
}
- data->low_bits[0] = w83792d_read_value(client,
- W83792D_REG_LOW_BITS1);
- data->low_bits[1] = w83792d_read_value(client,
- W83792D_REG_LOW_BITS2);
+ data->low_bits = w83792d_read_value(client,
+ W83792D_REG_LOW_BITS1) +
+ (w83792d_read_value(client,
+ W83792D_REG_LOW_BITS2) << 8);
for (i = 0; i < 7; i++) {
/* Update the Fan measured value and limits */
data->fan[i] = w83792d_read_value(client,
pwm_array_tmp[i] = w83792d_read_value(client,
W83792D_REG_PWM[i]);
data->pwm[i] = pwm_array_tmp[i] & 0x0f;
- data->pwm_mode[i] = (pwm_array_tmp[i] >> 7) & 0x01;
+ data->pwm_mode[i] = pwm_array_tmp[i] >> 7;
}
reg_tmp = w83792d_read_value(client, W83792D_REG_FAN_CFG);
data->valid = 1;
}
- up(&data->update_lock);
+ mutex_unlock(&data->update_lock);
#ifdef DEBUG
w83792d_print_debug(data, dev);
dev_dbg(dev, "vin[%d] max is: 0x%x\n", i, data->in_max[i]);
dev_dbg(dev, "vin[%d] min is: 0x%x\n", i, data->in_min[i]);
}
- dev_dbg(dev, "Low Bit1 is: 0x%x\n", data->low_bits[0]);
- dev_dbg(dev, "Low Bit2 is: 0x%x\n", data->low_bits[1]);
+ dev_dbg(dev, "Low Bit1 is: 0x%x\n", data->low_bits & 0xff);
+ dev_dbg(dev, "Low Bit2 is: 0x%x\n", data->low_bits >> 8);
dev_dbg(dev, "7 set of Fan Counts and Duty Cycles: =====>\n");
for (i=0; i<7; i++) {
dev_dbg(dev, "fan[%d] is: 0x%x\n", i, data->fan[i]);