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path: root/drivers/misc/habanalabs/hwmon.c
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Diffstat (limited to 'drivers/misc/habanalabs/hwmon.c')
-rw-r--r--drivers/misc/habanalabs/hwmon.c106
1 files changed, 75 insertions, 31 deletions
diff --git a/drivers/misc/habanalabs/hwmon.c b/drivers/misc/habanalabs/hwmon.c
index 7be4bace9b4f..a21a26e07c3b 100644
--- a/drivers/misc/habanalabs/hwmon.c
+++ b/drivers/misc/habanalabs/hwmon.c
@@ -113,6 +113,7 @@ static int hl_read(struct device *dev, enum hwmon_sensor_types type,
u32 attr, int channel, long *val)
{
struct hl_device *hdev = dev_get_drvdata(dev);
+ int rc;
if (hl_device_disabled_or_in_reset(hdev))
return -ENODEV;
@@ -125,36 +126,40 @@ static int hl_read(struct device *dev, enum hwmon_sensor_types type,
case hwmon_temp_crit:
case hwmon_temp_max_hyst:
case hwmon_temp_crit_hyst:
+ case hwmon_temp_offset:
+ case hwmon_temp_highest:
break;
default:
return -EINVAL;
}
- *val = hl_get_temperature(hdev, channel, attr);
+ rc = hl_get_temperature(hdev, channel, attr, val);
break;
case hwmon_in:
switch (attr) {
case hwmon_in_input:
case hwmon_in_min:
case hwmon_in_max:
+ case hwmon_in_highest:
break;
default:
return -EINVAL;
}
- *val = hl_get_voltage(hdev, channel, attr);
+ rc = hl_get_voltage(hdev, channel, attr, val);
break;
case hwmon_curr:
switch (attr) {
case hwmon_curr_input:
case hwmon_curr_min:
case hwmon_curr_max:
+ case hwmon_curr_highest:
break;
default:
return -EINVAL;
}
- *val = hl_get_current(hdev, channel, attr);
+ rc = hl_get_current(hdev, channel, attr, val);
break;
case hwmon_fan:
switch (attr) {
@@ -165,7 +170,7 @@ static int hl_read(struct device *dev, enum hwmon_sensor_types type,
default:
return -EINVAL;
}
- *val = hl_get_fan_speed(hdev, channel, attr);
+ rc = hl_get_fan_speed(hdev, channel, attr, val);
break;
case hwmon_pwm:
switch (attr) {
@@ -175,12 +180,12 @@ static int hl_read(struct device *dev, enum hwmon_sensor_types type,
default:
return -EINVAL;
}
- *val = hl_get_pwm_info(hdev, channel, attr);
+ rc = hl_get_pwm_info(hdev, channel, attr, val);
break;
default:
return -EINVAL;
}
- return 0;
+ return rc;
}
static int hl_write(struct device *dev, enum hwmon_sensor_types type,
@@ -192,6 +197,15 @@ static int hl_write(struct device *dev, enum hwmon_sensor_types type,
return -ENODEV;
switch (type) {
+ case hwmon_temp:
+ switch (attr) {
+ case hwmon_temp_offset:
+ break;
+ default:
+ return -EINVAL;
+ }
+ hl_set_temperature(hdev, channel, attr, val);
+ break;
case hwmon_pwm:
switch (attr) {
case hwmon_pwm_input:
@@ -219,7 +233,10 @@ static umode_t hl_is_visible(const void *data, enum hwmon_sensor_types type,
case hwmon_temp_max_hyst:
case hwmon_temp_crit:
case hwmon_temp_crit_hyst:
+ case hwmon_temp_highest:
return 0444;
+ case hwmon_temp_offset:
+ return 0644;
}
break;
case hwmon_in:
@@ -227,6 +244,7 @@ static umode_t hl_is_visible(const void *data, enum hwmon_sensor_types type,
case hwmon_in_input:
case hwmon_in_min:
case hwmon_in_max:
+ case hwmon_in_highest:
return 0444;
}
break;
@@ -235,6 +253,7 @@ static umode_t hl_is_visible(const void *data, enum hwmon_sensor_types type,
case hwmon_curr_input:
case hwmon_curr_min:
case hwmon_curr_max:
+ case hwmon_curr_highest:
return 0444;
}
break;
@@ -265,10 +284,10 @@ static const struct hwmon_ops hl_hwmon_ops = {
.write = hl_write
};
-long hl_get_temperature(struct hl_device *hdev, int sensor_index, u32 attr)
+int hl_get_temperature(struct hl_device *hdev,
+ int sensor_index, u32 attr, long *value)
{
struct armcp_packet pkt;
- long result;
int rc;
memset(&pkt, 0, sizeof(pkt));
@@ -279,22 +298,47 @@ long hl_get_temperature(struct hl_device *hdev, int sensor_index, u32 attr)
pkt.type = __cpu_to_le16(attr);
rc = hdev->asic_funcs->send_cpu_message(hdev, (u32 *) &pkt, sizeof(pkt),
- SENSORS_PKT_TIMEOUT, &result);
+ SENSORS_PKT_TIMEOUT, value);
if (rc) {
dev_err(hdev->dev,
"Failed to get temperature from sensor %d, error %d\n",
sensor_index, rc);
- result = 0;
+ *value = 0;
}
- return result;
+ return rc;
}
-long hl_get_voltage(struct hl_device *hdev, int sensor_index, u32 attr)
+int hl_set_temperature(struct hl_device *hdev,
+ int sensor_index, u32 attr, long value)
+{
+ struct armcp_packet pkt;
+ int rc;
+
+ memset(&pkt, 0, sizeof(pkt));
+
+ pkt.ctl = cpu_to_le32(ARMCP_PACKET_TEMPERATURE_SET <<
+ ARMCP_PKT_CTL_OPCODE_SHIFT);
+ pkt.sensor_index = __cpu_to_le16(sensor_index);
+ pkt.type = __cpu_to_le16(attr);
+ pkt.value = __cpu_to_le64(value);
+
+ rc = hdev->asic_funcs->send_cpu_message(hdev, (u32 *) &pkt, sizeof(pkt),
+ SENSORS_PKT_TIMEOUT, NULL);
+
+ if (rc)
+ dev_err(hdev->dev,
+ "Failed to set temperature of sensor %d, error %d\n",
+ sensor_index, rc);
+
+ return rc;
+}
+
+int hl_get_voltage(struct hl_device *hdev,
+ int sensor_index, u32 attr, long *value)
{
struct armcp_packet pkt;
- long result;
int rc;
memset(&pkt, 0, sizeof(pkt));
@@ -305,22 +349,22 @@ long hl_get_voltage(struct hl_device *hdev, int sensor_index, u32 attr)
pkt.type = __cpu_to_le16(attr);
rc = hdev->asic_funcs->send_cpu_message(hdev, (u32 *) &pkt, sizeof(pkt),
- SENSORS_PKT_TIMEOUT, &result);
+ SENSORS_PKT_TIMEOUT, value);
if (rc) {
dev_err(hdev->dev,
"Failed to get voltage from sensor %d, error %d\n",
sensor_index, rc);
- result = 0;
+ *value = 0;
}
- return result;
+ return rc;
}
-long hl_get_current(struct hl_device *hdev, int sensor_index, u32 attr)
+int hl_get_current(struct hl_device *hdev,
+ int sensor_index, u32 attr, long *value)
{
struct armcp_packet pkt;
- long result;
int rc;
memset(&pkt, 0, sizeof(pkt));
@@ -331,22 +375,22 @@ long hl_get_current(struct hl_device *hdev, int sensor_index, u32 attr)
pkt.type = __cpu_to_le16(attr);
rc = hdev->asic_funcs->send_cpu_message(hdev, (u32 *) &pkt, sizeof(pkt),
- SENSORS_PKT_TIMEOUT, &result);
+ SENSORS_PKT_TIMEOUT, value);
if (rc) {
dev_err(hdev->dev,
"Failed to get current from sensor %d, error %d\n",
sensor_index, rc);
- result = 0;
+ *value = 0;
}
- return result;
+ return rc;
}
-long hl_get_fan_speed(struct hl_device *hdev, int sensor_index, u32 attr)
+int hl_get_fan_speed(struct hl_device *hdev,
+ int sensor_index, u32 attr, long *value)
{
struct armcp_packet pkt;
- long result;
int rc;
memset(&pkt, 0, sizeof(pkt));
@@ -357,22 +401,22 @@ long hl_get_fan_speed(struct hl_device *hdev, int sensor_index, u32 attr)
pkt.type = __cpu_to_le16(attr);
rc = hdev->asic_funcs->send_cpu_message(hdev, (u32 *) &pkt, sizeof(pkt),
- SENSORS_PKT_TIMEOUT, &result);
+ SENSORS_PKT_TIMEOUT, value);
if (rc) {
dev_err(hdev->dev,
"Failed to get fan speed from sensor %d, error %d\n",
sensor_index, rc);
- result = 0;
+ *value = 0;
}
- return result;
+ return rc;
}
-long hl_get_pwm_info(struct hl_device *hdev, int sensor_index, u32 attr)
+int hl_get_pwm_info(struct hl_device *hdev,
+ int sensor_index, u32 attr, long *value)
{
struct armcp_packet pkt;
- long result;
int rc;
memset(&pkt, 0, sizeof(pkt));
@@ -383,16 +427,16 @@ long hl_get_pwm_info(struct hl_device *hdev, int sensor_index, u32 attr)
pkt.type = __cpu_to_le16(attr);
rc = hdev->asic_funcs->send_cpu_message(hdev, (u32 *) &pkt, sizeof(pkt),
- SENSORS_PKT_TIMEOUT, &result);
+ SENSORS_PKT_TIMEOUT, value);
if (rc) {
dev_err(hdev->dev,
"Failed to get pwm info from sensor %d, error %d\n",
sensor_index, rc);
- result = 0;
+ *value = 0;
}
- return result;
+ return rc;
}
void hl_set_pwm_info(struct hl_device *hdev, int sensor_index, u32 attr,