Add support for temperature offset registers for CPUTIN, SYSTIN,
and AUXTIN temperatures.
Signed-off-by: Guenter Roeck <guenter.roeck@xxxxxxxxxxxx>
---
drivers/hwmon/w83627ehf.c | 73 +++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 73 insertions(+), 0 deletions(-)
diff --git a/drivers/hwmon/w83627ehf.c b/drivers/hwmon/w83627ehf.c
index 57a31a0..5273fff 100644
--- a/drivers/hwmon/w83627ehf.c
+++ b/drivers/hwmon/w83627ehf.c
@@ -241,6 +241,8 @@ static const u16 W83627EHF_REG_FAN_MAX_OUTPUT_W83667_B[] = { 0x67, 0x69, 0x6b };
static const u16 W83627EHF_REG_FAN_STEP_OUTPUT_W83667_B[]
= { 0x68, 0x6a, 0x6c };
+static const u16 W83627EHF_REG_TEMP_OFFSET[] = { 0x454, 0x455, 0x456 };
+
static const u16 NCT6775_REG_TARGET[] = { 0x101, 0x201, 0x301 };
static const u16 NCT6775_REG_FAN_MODE[] = { 0x102, 0x202, 0x302 };
static const u16 NCT6775_REG_FAN_STOP_OUTPUT[] = { 0x105, 0x205, 0x305 };
@@ -466,6 +468,7 @@ struct w83627ehf_data {
u8 has_fan_min; /* some fans don't have min register */
bool has_fan_div;
u8 temp_type[3];
+ s8 temp_offset[3];
s16 temp[9];
s16 temp_max[9];
s16 temp_max_hyst[9];
@@ -497,6 +500,7 @@ struct w83627ehf_data {
u8 vrm;
u16 have_temp;
+ u16 have_temp_offset;
u8 in6_skip:1;
u8 temp3_val_only:1;
};
@@ -894,6 +898,10 @@ static struct w83627ehf_data *w83627ehf_update_device(struct device *dev)
data->temp_max_hyst[i]
= w83627ehf_read_temp(data,
data->reg_temp_hyst[i]);
+ if (data->have_temp_offset & (1 << i))
+ data->temp_offset[i]
+ = w83627ehf_read_value(data,
+ W83627EHF_REG_TEMP_OFFSET[i]);
}
data->alarms = w83627ehf_read_value(data,
@@ -1227,6 +1235,39 @@ store_temp_reg(reg_temp_over, temp_max);
store_temp_reg(reg_temp_hyst, temp_max_hyst);
static ssize_t
+show_temp_offset(struct device *dev, struct device_attribute *attr, char *buf)
+{
+ struct w83627ehf_data *data = w83627ehf_update_device(dev);
+ struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
+
+ return sprintf(buf, "%d\n",
+ data->temp_offset[sensor_attr->index] * 1000);
+}
+
+static ssize_t
+store_temp_offset(struct device *dev, struct device_attribute *attr,
+ const char *buf, size_t count)
+{
+ struct w83627ehf_data *data = dev_get_drvdata(dev);
+ struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
+ int nr = sensor_attr->index;
+ long val;
+ int err;
+
+ err = kstrtol(buf, 10, &val);
+ if (err < 0)
+ return err;
+
+ val = SENSORS_LIMIT(DIV_ROUND_CLOSEST(val, 1000), -128, 127);
+
+ mutex_lock(&data->update_lock);
+ data->temp_offset[nr] = val;
+ w83627ehf_write_value(data, W83627EHF_REG_TEMP_OFFSET[nr], val);
+ mutex_unlock(&data->update_lock);
+ return count;
+}
+
+static ssize_t
show_temp_type(struct device *dev, struct device_attribute *attr, char *buf)
{
struct w83627ehf_data *data = w83627ehf_update_device(dev);
@@ -1313,6 +1354,15 @@ static struct sensor_device_attribute sda_temp_type[] = {
SENSOR_ATTR(temp3_type, S_IRUGO, show_temp_type, NULL, 2),
};
+static struct sensor_device_attribute sda_temp_offset[] = {
+ SENSOR_ATTR(temp1_offset, S_IRUGO | S_IWUSR, show_temp_offset,
+ store_temp_offset, 0),
+ SENSOR_ATTR(temp2_offset, S_IRUGO | S_IWUSR, show_temp_offset,
+ store_temp_offset, 1),
+ SENSOR_ATTR(temp3_offset, S_IRUGO | S_IWUSR, show_temp_offset,
+ store_temp_offset, 2),
+};
+
#define show_pwm_reg(reg) \
static ssize_t show_##reg(struct device *dev, struct device_attribute *attr, \
char *buf) \
@@ -1805,6 +1855,7 @@ static void w83627ehf_device_remove_files(struct device *dev)
continue;
device_remove_file(dev, &sda_temp_alarm[i].dev_attr);
device_remove_file(dev, &sda_temp_type[i].dev_attr);
+ device_remove_file(dev, &sda_temp_offset[i].dev_attr);
}
device_remove_file(dev, &sda_caseopen[0].dev_attr);
@@ -2126,6 +2177,11 @@ static int __devinit w83627ehf_probe(struct platform_device *pdev)
} else {
data->temp_label = nct6775_temp_label;
}
+ data->have_temp_offset = data->have_temp & 0x07;
+ for (i = 0; i < 3; i++) {
+ if (data->temp_src[i] > 3)
+ data->have_temp_offset &= ~(1 << i);
+ }
} else if (sio_data->kind == w83667hg_b) {
u8 reg;
@@ -2168,6 +2224,11 @@ static int __devinit w83627ehf_probe(struct platform_device *pdev)
data->in6_skip = 1;
data->temp_label = w83667hg_b_temp_label;
+ data->have_temp_offset = data->have_temp & 0x07;
+ for (i = 0; i < 3; i++) {
+ if (data->temp_src[i] > 2)
+ data->have_temp_offset &= ~(1 << i);
+ }
} else if (sio_data->kind == w83627uhg) {
u8 reg;
@@ -2204,6 +2265,11 @@ static int __devinit w83627ehf_probe(struct platform_device *pdev)
data->in6_skip = 1; /* No VIN3 */
data->temp_label = w83667hg_b_temp_label;
+ data->have_temp_offset = data->have_temp & 0x03;
+ for (i = 0; i < 2; i++) {
+ if (data->temp_src[i] > 1)
+ data->have_temp_offset &= ~(1 << i);
+ }
} else {
w83627ehf_set_temp_reg_ehf(data, 3);
@@ -2223,6 +2289,7 @@ static int __devinit w83627ehf_probe(struct platform_device *pdev)
else
data->in6_skip = 1;
}
+ data->have_temp_offset = data->have_temp & 0x07;
}
if (sio_data->kind == nct6775) {
@@ -2488,6 +2555,12 @@ static int __devinit w83627ehf_probe(struct platform_device *pdev)
|| (err = device_create_file(dev,
&sda_temp_type[i].dev_attr)))
goto exit_remove;
+ if (data->have_temp_offset & (1 << i)) {
+ err = device_create_file(dev,
+ &sda_temp_offset[i].dev_attr);
+ if (err)
+ goto exit_remove;
+ }
}
err = device_create_file(dev, &sda_caseopen[0].dev_attr);
--
1.7.3.1
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