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Code Issues Releases Wiki Activity

hwmon: (adt7470) Support per-sensor alarm files 

Remove the old alarms hack and replace it with per-sensor alarm files.

Signed-off-by: Darrick J. Wong <djwong@us.ibm.com>
Acked-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Mark M. Hoffman <mhoffman@lightlink.com>
This commit is contained in:
Darrick J. Wong 2007-12-19 14:11:25 -08:00 committed by Mark M. Hoffman
parent 7845cd791d
commit fe03f28cf3
1 changed files with 84 additions and 12 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

96
drivers/hwmon/adt7470.c
View File

@ -48,7 +48,22 @@ I2C_CLIENT_INSMOD_1(adt7470);
#define ADT7470_REG_CFG 0x40
#define ADT7470_FSPD_MASK 0x04
#define ADT7470_REG_ALARM1 0x41
#define ADT7470_R1T_ALARM 0x01
#define ADT7470_R2T_ALARM 0x02
#define ADT7470_R3T_ALARM 0x04
#define ADT7470_R4T_ALARM 0x08
#define ADT7470_R5T_ALARM 0x10
#define ADT7470_R6T_ALARM 0x20
#define ADT7470_R7T_ALARM 0x40
#define ADT7470_OOL_ALARM 0x80
#define ADT7470_REG_ALARM2 0x42
#define ADT7470_R8T_ALARM 0x01
#define ADT7470_R9T_ALARM 0x02
#define ADT7470_R10T_ALARM 0x04
#define ADT7470_FAN1_ALARM 0x10
#define ADT7470_FAN2_ALARM 0x20
#define ADT7470_FAN3_ALARM 0x40
#define ADT7470_FAN4_ALARM 0x80
#define ADT7470_REG_TEMP_LIMITS_BASE_ADDR 0x44
#define ADT7470_REG_TEMP_LIMITS_MAX_ADDR 0x57
#define ADT7470_REG_FAN_MIN_BASE_ADDR 0x58
@ -97,6 +112,8 @@ I2C_CLIENT_INSMOD_1(adt7470);
#define ADT7470_REG_PWM_AUTO_TEMP(x) (ADT7470_REG_PWM_AUTO_TEMP_BASE_ADDR + \
((x) / 2))
#define ALARM2(x) ((x) << 8)
#define ADT7470_VENDOR 0x41
#define ADT7470_DEVICE 0x70
/* datasheet only mentions a revision 2 */
@ -136,7 +153,8 @@ struct adt7470_data {
u16 fan[ADT7470_FAN_COUNT];
u16 fan_min[ADT7470_FAN_COUNT];
u16 fan_max[ADT7470_FAN_COUNT];
u16 alarms, alarms_mask;
u16 alarm;
u16 alarms_mask;
u8 force_pwm_max;
u8 pwm[ADT7470_PWM_COUNT];
u8 pwm_max[ADT7470_PWM_COUNT];
@ -260,7 +278,10 @@ static struct adt7470_data *adt7470_update_device(struct device *dev)
else
data->force_pwm_max = 0;
data->alarms = adt7470_read_word_data(client, ADT7470_REG_ALARM1);
data->alarm = i2c_smbus_read_byte_data(client, ADT7470_REG_ALARM1);
if (data->alarm & ADT7470_OOL_ALARM)
data->alarm |= ALARM2(i2c_smbus_read_byte_data(client,
ADT7470_REG_ALARM2));
data->alarms_mask = adt7470_read_word_data(client,
ADT7470_REG_ALARM1_MASK);
@ -368,17 +389,13 @@ static ssize_t show_temp(struct device *dev, struct device_attribute *devattr,
return sprintf(buf, "%d\n", 1000 * data->temp[attr->index]);
}
static ssize_t show_alarms(struct device *dev,
static ssize_t show_alarm_mask(struct device *dev,
struct device_attribute *devattr,
char *buf)
{
struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
struct adt7470_data *data = adt7470_update_device(dev);
if (attr->index)
return sprintf(buf, "%x\n", data->alarms);
else
return sprintf(buf, "%x\n", data->alarms_mask);
return sprintf(buf, "%x\n", data->alarms_mask);
}
static ssize_t show_fan_max(struct device *dev,
@ -713,8 +730,20 @@ static ssize_t set_pwm_auto_temp(struct device *dev,
return count;
}
static SENSOR_DEVICE_ATTR(alarms, S_IRUGO, show_alarms, NULL, 0);
static SENSOR_DEVICE_ATTR(alarm_mask, S_IRUGO, show_alarms, NULL, 1);
static ssize_t show_alarm(struct device *dev,
struct device_attribute *devattr,
char *buf)
{
struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
struct adt7470_data *data = adt7470_update_device(dev);
if (data->alarm & attr->index)
return sprintf(buf, "1\n");
else
return sprintf(buf, "0\n");
}
static DEVICE_ATTR(alarm_mask, S_IRUGO, show_alarm_mask, NULL);
static SENSOR_DEVICE_ATTR(temp1_max, S_IWUSR | S_IRUGO, show_temp_max,
set_temp_max, 0);
@ -769,6 +798,27 @@ static SENSOR_DEVICE_ATTR(temp8_input, S_IRUGO, show_temp, NULL, 7);
static SENSOR_DEVICE_ATTR(temp9_input, S_IRUGO, show_temp, NULL, 8);
static SENSOR_DEVICE_ATTR(temp10_input, S_IRUGO, show_temp, NULL, 9);
static SENSOR_DEVICE_ATTR(temp1_alarm, S_IRUGO, show_alarm, NULL,
ADT7470_R1T_ALARM);
static SENSOR_DEVICE_ATTR(temp2_alarm, S_IRUGO, show_alarm, NULL,
ADT7470_R2T_ALARM);
static SENSOR_DEVICE_ATTR(temp3_alarm, S_IRUGO, show_alarm, NULL,
ADT7470_R3T_ALARM);
static SENSOR_DEVICE_ATTR(temp4_alarm, S_IRUGO, show_alarm, NULL,
ADT7470_R4T_ALARM);
static SENSOR_DEVICE_ATTR(temp5_alarm, S_IRUGO, show_alarm, NULL,
ADT7470_R5T_ALARM);
static SENSOR_DEVICE_ATTR(temp6_alarm, S_IRUGO, show_alarm, NULL,
ADT7470_R6T_ALARM);
static SENSOR_DEVICE_ATTR(temp7_alarm, S_IRUGO, show_alarm, NULL,
ADT7470_R7T_ALARM);
static SENSOR_DEVICE_ATTR(temp8_alarm, S_IRUGO, show_alarm, NULL,
ALARM2(ADT7470_R8T_ALARM));
static SENSOR_DEVICE_ATTR(temp9_alarm, S_IRUGO, show_alarm, NULL,
ALARM2(ADT7470_R9T_ALARM));
static SENSOR_DEVICE_ATTR(temp10_alarm, S_IRUGO, show_alarm, NULL,
ALARM2(ADT7470_R10T_ALARM));
static SENSOR_DEVICE_ATTR(fan1_max, S_IWUSR | S_IRUGO, show_fan_max,
set_fan_max, 0);
static SENSOR_DEVICE_ATTR(fan2_max, S_IWUSR | S_IRUGO, show_fan_max,
@ -792,6 +842,15 @@ 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 SENSOR_DEVICE_ATTR(fan1_alarm, S_IRUGO, show_alarm, NULL,
ALARM2(ADT7470_FAN1_ALARM));
static SENSOR_DEVICE_ATTR(fan2_alarm, S_IRUGO, show_alarm, NULL,
ALARM2(ADT7470_FAN2_ALARM));
static SENSOR_DEVICE_ATTR(fan3_alarm, S_IRUGO, show_alarm, NULL,
ALARM2(ADT7470_FAN3_ALARM));
static SENSOR_DEVICE_ATTR(fan4_alarm, S_IRUGO, show_alarm, NULL,
ALARM2(ADT7470_FAN4_ALARM));
static SENSOR_DEVICE_ATTR(force_pwm_max, S_IWUSR | S_IRUGO,
show_force_pwm_max, set_force_pwm_max, 0);
@ -856,8 +915,7 @@ static SENSOR_DEVICE_ATTR(pwm4_auto_channels_temp, S_IWUSR | S_IRUGO,
static struct attribute *adt7470_attr[] =
{
&sensor_dev_attr_alarms.dev_attr.attr,
&sensor_dev_attr_alarm_mask.dev_attr.attr,
&dev_attr_alarm_mask.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,
@ -888,6 +946,16 @@ static struct attribute *adt7470_attr[] =
&sensor_dev_attr_temp8_input.dev_attr.attr,
&sensor_dev_attr_temp9_input.dev_attr.attr,
&sensor_dev_attr_temp10_input.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_temp4_alarm.dev_attr.attr,
&sensor_dev_attr_temp5_alarm.dev_attr.attr,
&sensor_dev_attr_temp6_alarm.dev_attr.attr,
&sensor_dev_attr_temp7_alarm.dev_attr.attr,
&sensor_dev_attr_temp8_alarm.dev_attr.attr,
&sensor_dev_attr_temp9_alarm.dev_attr.attr,
&sensor_dev_attr_temp10_alarm.dev_attr.attr,
&sensor_dev_attr_fan1_max.dev_attr.attr,
&sensor_dev_attr_fan2_max.dev_attr.attr,
&sensor_dev_attr_fan3_max.dev_attr.attr,
@ -900,6 +968,10 @@ static struct attribute *adt7470_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,
&sensor_dev_attr_fan1_alarm.dev_attr.attr,
&sensor_dev_attr_fan2_alarm.dev_attr.attr,
&sensor_dev_attr_fan3_alarm.dev_attr.attr,
&sensor_dev_attr_fan4_alarm.dev_attr.attr,
&sensor_dev_attr_force_pwm_max.dev_attr.attr,
&sensor_dev_attr_pwm1.dev_attr.attr,
&sensor_dev_attr_pwm2.dev_attr.attr,