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hwmon: (aquacomputer_d5next) Add support for Quadro flow sensor pulses 

Add support for reading and writing flow sensor pulses value on
the Aquacomputer Quadro. Implemented by Leonard Anderweit [1].

[1] https://github.com/aleksamagicka/aquacomputer_d5next-hwmon/pull/45

Originally-from: Leonard Anderweit <leonard.anderweit@gmail.com>
Signed-off-by: Aleksa Savic <savicaleksa83@gmail.com>
Link: https://lore.kernel.org/r/20221126071313.34356-1-savicaleksa83@gmail.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
This commit is contained in:
Aleksa Savic 2022-11-26 08:13:13 +01:00 committed by Guenter Roeck
parent c05f477c4b
commit 6ff838f287
2 changed files with 55 additions and 14 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
Documentation/hwmon/aquacomputer_d5next.rst
View File

@ -39,7 +39,7 @@ current.
The Quadro exposes four physical and sixteen virtual temperature sensors, a flow
sensor and four PWM controllable fans, along with their speed (in RPM), power,
voltage and current.
voltage and current. Flow sensor pulses are also available.
The Farbwerk and Farbwerk 360 expose four temperature sensors. Additionally,
sixteen virtual temperature sensors of the Farbwerk 360 are exposed.
@ -64,6 +64,7 @@ Sysfs entries
temp[1-20]_input Physical/virtual temperature sensors (in millidegrees Celsius)
temp[1-4]_offset Temperature sensor correction offset (in millidegrees Celsius)
fan[1-8]_input Pump/fan speed (in RPM) / Flow speed (in dL/h)
fan5_pulses Quadro flow sensor pulses
power[1-8]_input Pump/fan power (in micro Watts)
in[0-7]_input Pump/fan voltage (in milli Volts)
curr[1-8]_input Pump/fan current (in milli Amperes)

66
drivers/hwmon/aquacomputer_d5next.c
View File

@ -136,6 +136,7 @@ static u8 quadro_sensor_fan_offsets[] = { 0x70, 0x7D, 0x8A, 0x97 };
/* Control report offsets for the Quadro */
#define QUADRO_TEMP_CTRL_OFFSET 0xA
#define QUADRO_FLOW_PULSES_CTRL_OFFSET 0x6
static u16 quadro_ctrl_fan_offsets[] = { 0x37, 0x8c, 0xe1, 0x136 }; /* Fan speed offsets (0-100%) */
/* Specs of High Flow Next flow sensor */
@ -303,6 +304,7 @@ struct aqc_data {
u16 temp_ctrl_offset;
u16 power_cycle_count_offset;
u8 flow_sensor_offset;
u8 flow_pulses_ctrl_offset;
/* General info, same across all devices */
u32 serial_number[2];
@ -461,20 +463,34 @@ static umode_t aqc_is_visible(const void *data, enum hwmon_sensor_types type, u3
}
break;
case hwmon_fan:
switch (priv->kind) {
case highflownext:
/* Special case to support flow sensor, water quality and conductivity */
if (channel < 3)
return 0444;
switch (attr) {
case hwmon_fan_input:
case hwmon_fan_label:
switch (priv->kind) {
case highflownext:
/* Special case to support flow sensor, water quality
* and conductivity
*/
if (channel < 3)
return 0444;
break;
case quadro:
/* Special case to support flow sensor */
if (channel < priv->num_fans + 1)
return 0444;
break;
default:
if (channel < priv->num_fans)
return 0444;
break;
}
break;
case quadro:
/* Special case to support flow sensor */
if (channel < priv->num_fans + 1)
return 0444;
case hwmon_fan_pulses:
/* Special case for Quadro flow sensor */
if (priv->kind == quadro && channel == priv->num_fans)
return 0644;
break;
default:
if (channel < priv->num_fans)
return 0444;
break;
}
break;
@ -552,7 +568,18 @@ static int aqc_read(struct device *dev, enum hwmon_sensor_types type, u32 attr,
}
break;
case hwmon_fan:
*val = priv->speed_input[channel];
switch (attr) {
case hwmon_fan_input:
*val = priv->speed_input[channel];
break;
case hwmon_fan_pulses:
ret = aqc_get_ctrl_val(priv, priv->flow_pulses_ctrl_offset, val);
if (ret < 0)
return ret;
break;
default:
break;
}
break;
case hwmon_power:
*val = priv->power_input[channel];
@ -632,6 +659,18 @@ static int aqc_write(struct device *dev, enum hwmon_sensor_types type, u32 attr,
return -EOPNOTSUPP;
}
break;
case hwmon_fan:
switch (attr) {
case hwmon_fan_pulses:
val = clamp_val(val, 10, 1000);
ret = aqc_set_ctrl_val(priv, priv->flow_pulses_ctrl_offset, val);
if (ret < 0)
return ret;
break;
default:
break;
}
break;
case hwmon_pwm:
switch (attr) {
case hwmon_pwm_input:
@ -691,7 +730,7 @@ static const struct hwmon_channel_info *aqc_info[] = {
HWMON_F_INPUT | HWMON_F_LABEL,
HWMON_F_INPUT | HWMON_F_LABEL,
HWMON_F_INPUT | HWMON_F_LABEL,
HWMON_F_INPUT | HWMON_F_LABEL,
HWMON_F_INPUT | HWMON_F_LABEL | HWMON_F_PULSES,
HWMON_F_INPUT | HWMON_F_LABEL,
HWMON_F_INPUT | HWMON_F_LABEL,
HWMON_F_INPUT | HWMON_F_LABEL),
@ -1000,6 +1039,7 @@ static int aqc_probe(struct hid_device *hdev, const struct hid_device_id *id)
priv->buffer_size = QUADRO_CTRL_REPORT_SIZE;
priv->flow_sensor_offset = QUADRO_FLOW_SENSOR_OFFSET;
priv->flow_pulses_ctrl_offset = QUADRO_FLOW_PULSES_CTRL_OFFSET;
priv->power_cycle_count_offset = QUADRO_POWER_CYCLES;
priv->temp_label = label_temp_sensors;