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Message-Id: <20221125215515.31380-1-savicaleksa83@gmail.com> Date: Fri, 25 Nov 2022 22:55:15 +0100 From: Aleksa Savic <savicaleksa83@...il.com> To: linux-hwmon@...r.kernel.org Cc: leonard.anderweit@...il.com, Aleksa Savic <savicaleksa83@...il.com>, Jack Doan <me@...kdoan.com>, Jean Delvare <jdelvare@...e.com>, Guenter Roeck <linux@...ck-us.net>, Jonathan Corbet <corbet@....net>, linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org Subject: [PATCH] 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@...il.com> Signed-off-by: Aleksa Savic <savicaleksa83@...il.com> --- Documentation/hwmon/aquacomputer_d5next.rst | 3 +- drivers/hwmon/aquacomputer_d5next.c | 68 ++++++++++++++++----- 2 files changed, 55 insertions(+), 16 deletions(-) diff --git a/Documentation/hwmon/aquacomputer_d5next.rst b/Documentation/hwmon/aquacomputer_d5next.rst index 15226346434d..637bdbc8fcad 100644 --- a/Documentation/hwmon/aquacomputer_d5next.rst +++ b/Documentation/hwmon/aquacomputer_d5next.rst @@ -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) diff --git a/drivers/hwmon/aquacomputer_d5next.c b/drivers/hwmon/aquacomputer_d5next.c index 49d3f9876fe8..77a3ac33d4ac 100644 --- a/drivers/hwmon/aquacomputer_d5next.c +++ b/drivers/hwmon/aquacomputer_d5next.c @@ -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 +463,32 @@ 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; - break; - case quadro: - /* Special case to support flow sensor */ - if (channel < priv->num_fans + 1) - 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; - default: - if (channel < priv->num_fans) - return 0444; + case hwmon_fan_pulses: + /* Special case for Quadro flow sensor */ + if (priv->kind == quadro && channel == priv->num_fans) + return 0644; break; } break; @@ -552,7 +566,18 @@ 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 +657,18 @@ 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 +728,7 @@ 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 +1037,7 @@ 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; -- 2.38.1
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