aboutsummaryrefslogtreecommitdiff
path: root/drivers/hwmon/w83793.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/hwmon/w83793.c')
-rw-r--r--drivers/hwmon/w83793.c127
1 files changed, 110 insertions, 17 deletions
diff --git a/drivers/hwmon/w83793.c b/drivers/hwmon/w83793.c
index c12ac5abc2b..253ffaf1568 100644
--- a/drivers/hwmon/w83793.c
+++ b/drivers/hwmon/w83793.c
@@ -117,6 +117,7 @@ static const u16 W83793_REG_IN[][3] = {
/* Low Bits of Vcore A/B Vtt Read/High/Low */
static const u16 W83793_REG_IN_LOW_BITS[] = { 0x1b, 0x68, 0x69 };
static u8 scale_in[] = { 2, 2, 2, 16, 16, 16, 8, 24, 24, 16 };
+static u8 scale_in_add[] = { 0, 0, 0, 0, 0, 0, 0, 150, 150, 0 };
#define W83793_REG_FAN(index) (0x23 + 2 * (index)) /* High byte */
#define W83793_REG_FAN_MIN(index) (0x90 + 2 * (index)) /* High byte */
@@ -203,6 +204,8 @@ struct w83793_data {
u8 temp_fan_map[6]; /* Temp controls which pwm fan, bit field */
u8 has_pwm;
+ u8 has_temp;
+ u8 has_vid;
u8 pwm_enable; /* Register value, each Temp has 1 bit */
u8 pwm_uptime; /* Register value */
u8 pwm_downtime; /* Register value */
@@ -500,7 +503,7 @@ store_temp(struct device *dev, struct device_attribute *attr,
each has 4 mode:(2 bits)
0: Stop monitor
1: Use internal temp sensor(default)
- 2: Use sensor in AMD CPU and get result by AMDSI
+ 2: Reserved
3: Use sensor in Intel CPU and get result by PECI
TR1-TR2
@@ -509,8 +512,8 @@ store_temp(struct device *dev, struct device_attribute *attr,
1: To enable temp sensors monitor
*/
-/* 0 disable, 5 AMDSI, 6 PECI */
-static u8 TO_TEMP_MODE[] = { 0, 0, 5, 6 };
+/* 0 disable, 6 PECI */
+static u8 TO_TEMP_MODE[] = { 0, 0, 0, 6 };
static ssize_t
show_temp_mode(struct device *dev, struct device_attribute *attr, char *buf)
@@ -550,11 +553,10 @@ store_temp_mode(struct device *dev, struct device_attribute *attr,
u8 val = simple_strtoul(buf, NULL, 10);
/* transform the sysfs interface values into table above */
- if ((val == 5 || val == 6) && (index < 4)) {
+ if ((val == 6) && (index < 4)) {
val -= 3;
} else if ((val == 3 && index < 4)
- || (val == 4 && index >= 4)
- || val == 0) {
+ || (val == 4 && index >= 4)) {
/* transform diode or thermistor into internal enable */
val = !!val;
} else {
@@ -839,7 +841,9 @@ show_in(struct device *dev, struct device_attribute *attr, char *buf)
val <<= 2;
val += (data->in_low_bits[nr] >> (index * 2)) & 0x3;
}
- return sprintf(buf, "%d\n", val * scale_in[index]);
+ /* voltage inputs 5VDD and 5VSB needs 150mV offset */
+ val = val * scale_in[index] + scale_in_add[index];
+ return sprintf(buf, "%d\n", val);
}
static ssize_t
@@ -859,6 +863,10 @@ store_in(struct device *dev, struct device_attribute *attr,
scale_in[index] / 2) / scale_in[index];
mutex_lock(&data->update_lock);
if (index > 2) {
+ /* fix the limit values of 5VDD and 5VSB to ALARM mechanism */
+ if (1 == nr || 2 == nr) {
+ val -= scale_in_add[index] / scale_in[index];
+ }
val = SENSORS_LIMIT(val, 0, 255);
} else {
val = SENSORS_LIMIT(val, 0, 0x3FF);
@@ -979,12 +987,6 @@ static struct sensor_device_attribute_2 w83793_sensor_attr_2[] = {
SENSOR_ATTR_IN(7),
SENSOR_ATTR_IN(8),
SENSOR_ATTR_IN(9),
- SENSOR_ATTR_TEMP(1),
- SENSOR_ATTR_TEMP(2),
- SENSOR_ATTR_TEMP(3),
- SENSOR_ATTR_TEMP(4),
- SENSOR_ATTR_TEMP(5),
- SENSOR_ATTR_TEMP(6),
SENSOR_ATTR_FAN(1),
SENSOR_ATTR_FAN(2),
SENSOR_ATTR_FAN(3),
@@ -995,6 +997,15 @@ static struct sensor_device_attribute_2 w83793_sensor_attr_2[] = {
SENSOR_ATTR_PWM(3),
};
+static struct sensor_device_attribute_2 w83793_temp[] = {
+ SENSOR_ATTR_TEMP(1),
+ SENSOR_ATTR_TEMP(2),
+ SENSOR_ATTR_TEMP(3),
+ SENSOR_ATTR_TEMP(4),
+ SENSOR_ATTR_TEMP(5),
+ SENSOR_ATTR_TEMP(6),
+};
+
/* Fan6-Fan12 */
static struct sensor_device_attribute_2 w83793_left_fan[] = {
SENSOR_ATTR_FAN(6),
@@ -1015,9 +1026,12 @@ static struct sensor_device_attribute_2 w83793_left_pwm[] = {
SENSOR_ATTR_PWM(8),
};
-static struct sensor_device_attribute_2 sda_single_files[] = {
+static struct sensor_device_attribute_2 w83793_vid[] = {
SENSOR_ATTR_2(cpu0_vid, S_IRUGO, show_vid, NULL, NOT_USED, 0),
SENSOR_ATTR_2(cpu1_vid, S_IRUGO, show_vid, NULL, NOT_USED, 1),
+};
+
+static struct sensor_device_attribute_2 sda_single_files[] = {
SENSOR_ATTR_2(vrm, S_IWUSR | S_IRUGO, show_vrm, store_vrm,
NOT_USED, NOT_USED),
SENSOR_ATTR_2(chassis, S_IWUSR | S_IRUGO, show_alarm_beep,
@@ -1070,11 +1084,17 @@ static int w83793_detach_client(struct i2c_client *client)
for (i = 0; i < ARRAY_SIZE(sda_single_files); i++)
device_remove_file(dev, &sda_single_files[i].dev_attr);
+ for (i = 0; i < ARRAY_SIZE(w83793_vid); i++)
+ device_remove_file(dev, &w83793_vid[i].dev_attr);
+
for (i = 0; i < ARRAY_SIZE(w83793_left_fan); i++)
device_remove_file(dev, &w83793_left_fan[i].dev_attr);
for (i = 0; i < ARRAY_SIZE(w83793_left_pwm); i++)
device_remove_file(dev, &w83793_left_pwm[i].dev_attr);
+
+ for (i = 0; i < ARRAY_SIZE(w83793_temp); i++)
+ device_remove_file(dev, &w83793_temp[i].dev_attr);
}
if ((err = i2c_detach_client(client)))
@@ -1187,6 +1207,7 @@ static int w83793_detect(struct i2c_adapter *adapter, int address, int kind)
struct w83793_data *data;
int files_fan = ARRAY_SIZE(w83793_left_fan) / 7;
int files_pwm = ARRAY_SIZE(w83793_left_pwm) / 5;
+ int files_temp = ARRAY_SIZE(w83793_temp) / 6;
int err = 0;
if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) {
@@ -1313,6 +1334,44 @@ static int w83793_detect(struct i2c_adapter *adapter, int address, int kind)
data->has_pwm |= 0x80;
}
+ tmp = w83793_read_value(client, W83793_REG_FANIN_SEL);
+ if ((tmp & 0x01) && (val & 0x08)) { /* fan 9, second location */
+ data->has_fan |= 0x100;
+ }
+ if ((tmp & 0x02) && (val & 0x10)) { /* fan 10, second location */
+ data->has_fan |= 0x200;
+ }
+ if ((tmp & 0x04) && (val & 0x20)) { /* fan 11, second location */
+ data->has_fan |= 0x400;
+ }
+ if ((tmp & 0x08) && (val & 0x40)) { /* fan 12, second location */
+ data->has_fan |= 0x800;
+ }
+
+ /* check the temp1-6 mode, ignore former AMDSI selected inputs */
+ tmp = w83793_read_value(client,W83793_REG_TEMP_MODE[0]);
+ if (tmp & 0x01)
+ data->has_temp |= 0x01;
+ if (tmp & 0x04)
+ data->has_temp |= 0x02;
+ if (tmp & 0x10)
+ data->has_temp |= 0x04;
+ if (tmp & 0x40)
+ data->has_temp |= 0x08;
+
+ tmp = w83793_read_value(client,W83793_REG_TEMP_MODE[1]);
+ if (tmp & 0x01)
+ data->has_temp |= 0x10;
+ if (tmp & 0x02)
+ data->has_temp |= 0x20;
+
+ /* Detect the VID usage and ignore unused input */
+ tmp = w83793_read_value(client, W83793_REG_MFC);
+ if (!(tmp & 0x29))
+ data->has_vid |= 0x1; /* has VIDA */
+ if (tmp & 0x80)
+ data->has_vid |= 0x2; /* has VIDB */
+
/* Register sysfs hooks */
for (i = 0; i < ARRAY_SIZE(w83793_sensor_attr_2); i++) {
err = device_create_file(dev,
@@ -1321,6 +1380,14 @@ static int w83793_detect(struct i2c_adapter *adapter, int address, int kind)
goto exit_remove;
}
+ for (i = 0; i < ARRAY_SIZE(w83793_vid); i++) {
+ if (!(data->has_vid & (1 << i)))
+ continue;
+ err = device_create_file(dev, &w83793_vid[i].dev_attr);
+ if (err)
+ goto exit_remove;
+ }
+
for (i = 0; i < ARRAY_SIZE(sda_single_files); i++) {
err = device_create_file(dev, &sda_single_files[i].dev_attr);
if (err)
@@ -1328,6 +1395,19 @@ static int w83793_detect(struct i2c_adapter *adapter, int address, int kind)
}
+ for (i = 0; i < 6; i++) {
+ int j;
+ if (!(data->has_temp & (1 << i)))
+ continue;
+ for (j = 0; j < files_temp; j++) {
+ err = device_create_file(dev,
+ &w83793_temp[(i) * files_temp
+ + j].dev_attr);
+ if (err)
+ goto exit_remove;
+ }
+ }
+
for (i = 5; i < 12; i++) {
int j;
if (!(data->has_fan & (1 << i)))
@@ -1371,12 +1451,18 @@ exit_remove:
for (i = 0; i < ARRAY_SIZE(sda_single_files); i++)
device_remove_file(dev, &sda_single_files[i].dev_attr);
+ for (i = 0; i < ARRAY_SIZE(w83793_vid); i++)
+ device_remove_file(dev, &w83793_vid[i].dev_attr);
+
for (i = 0; i < ARRAY_SIZE(w83793_left_fan); i++)
device_remove_file(dev, &w83793_left_fan[i].dev_attr);
for (i = 0; i < ARRAY_SIZE(w83793_left_pwm); i++)
device_remove_file(dev, &w83793_left_pwm[i].dev_attr);
+ for (i = 0; i < ARRAY_SIZE(w83793_temp); i++)
+ device_remove_file(dev, &w83793_temp[i].dev_attr);
+
if (data->lm75[0] != NULL) {
i2c_detach_client(data->lm75[0]);
kfree(data->lm75[0]);
@@ -1428,6 +1514,8 @@ static void w83793_update_nonvolatile(struct device *dev)
}
for (i = 0; i < ARRAY_SIZE(data->temp_fan_map); i++) {
+ if (!(data->has_temp & (1 << i)))
+ continue;
data->temp_fan_map[i] =
w83793_read_value(client, W83793_REG_TEMP_FAN_MAP(i));
for (j = 1; j < 5; j++) {
@@ -1510,9 +1598,12 @@ static struct w83793_data *w83793_update_device(struct device *dev)
w83793_read_value(client, W83793_REG_FAN(i) + 1);
}
- for (i = 0; i < ARRAY_SIZE(data->temp); i++)
+ for (i = 0; i < ARRAY_SIZE(data->temp); i++) {
+ if (!(data->has_temp & (1 << i)))
+ continue;
data->temp[i][TEMP_READ] =
w83793_read_value(client, W83793_REG_TEMP[i][TEMP_READ]);
+ }
data->temp_low_bits =
w83793_read_value(client, W83793_REG_TEMP_LOW_BITS);
@@ -1527,8 +1618,10 @@ static struct w83793_data *w83793_update_device(struct device *dev)
for (i = 0; i < ARRAY_SIZE(data->alarms); i++)
data->alarms[i] =
w83793_read_value(client, W83793_REG_ALARM(i));
- data->vid[0] = w83793_read_value(client, W83793_REG_VID_INA);
- data->vid[1] = w83793_read_value(client, W83793_REG_VID_INB);
+ if (data->has_vid & 0x01)
+ data->vid[0] = w83793_read_value(client, W83793_REG_VID_INA);
+ if (data->has_vid & 0x02)
+ data->vid[1] = w83793_read_value(client, W83793_REG_VID_INB);
w83793_update_nonvolatile(dev);
data->last_updated = jiffies;
data->valid = 1;
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-11 12:21:06 +0000