| // SPDX-License-Identifier: GPL-2.0+ |
| /* |
| * hwmon driver for NZXT Kraken X53/X63/X73, Z53/Z63/Z73 and 2023/2023 Elite all in one coolers. |
| * X53 and Z53 in code refer to all models in their respective series (shortened for brevity). |
| * 2023 models use the Z53 code paths. |
| * |
| * Copyright 2021 Jonas Malaco <jonas@protocubo.io> |
| * Copyright 2022 Aleksa Savic <savicaleksa83@gmail.com> |
| */ |
| |
| #include <linux/debugfs.h> |
| #include <linux/hid.h> |
| #include <linux/hwmon.h> |
| #include <linux/hwmon-sysfs.h> |
| #include <linux/jiffies.h> |
| #include <linux/module.h> |
| #include <linux/mutex.h> |
| #include <linux/spinlock.h> |
| #include <linux/wait.h> |
| #include <linux/unaligned.h> |
| |
| #define USB_VENDOR_ID_NZXT 0x1e71 |
| #define USB_PRODUCT_ID_X53 0x2007 |
| #define USB_PRODUCT_ID_X53_SECOND 0x2014 |
| #define USB_PRODUCT_ID_Z53 0x3008 |
| #define USB_PRODUCT_ID_KRAKEN2023 0x300E |
| #define USB_PRODUCT_ID_KRAKEN2023_ELITE 0x300C |
| |
| enum kinds { X53, Z53, KRAKEN2023 } __packed; |
| enum pwm_enable { off, manual, curve } __packed; |
| |
| #define DRIVER_NAME "nzxt_kraken3" |
| #define STATUS_REPORT_ID 0x75 |
| #define FIRMWARE_REPORT_ID 0x11 |
| #define STATUS_VALIDITY 2000 /* In ms, equivalent to period of four status reports */ |
| #define CUSTOM_CURVE_POINTS 40 /* For temps from 20C to 59C (critical temp) */ |
| #define PUMP_DUTY_MIN 20 /* In percent */ |
| |
| /* Sensor report offsets for Kraken X53 and Z53 */ |
| #define TEMP_SENSOR_START_OFFSET 15 |
| #define TEMP_SENSOR_END_OFFSET 16 |
| #define PUMP_SPEED_OFFSET 17 |
| #define PUMP_DUTY_OFFSET 19 |
| |
| /* Firmware version report offset for Kraken X53 and Z53 */ |
| #define FIRMWARE_VERSION_OFFSET 17 |
| |
| /* Sensor report offsets for Kraken Z53 */ |
| #define Z53_FAN_SPEED_OFFSET 23 |
| #define Z53_FAN_DUTY_OFFSET 25 |
| |
| /* Report offsets for control commands for Kraken X53 and Z53 */ |
| #define SET_DUTY_ID_OFFSET 1 |
| |
| /* Control commands and their lengths for Kraken X53 and Z53 */ |
| |
| /* Last byte sets the report interval at 0.5s */ |
| static const u8 set_interval_cmd[] = { 0x70, 0x02, 0x01, 0xB8, 1 }; |
| static const u8 finish_init_cmd[] = { 0x70, 0x01 }; |
| static const u8 __maybe_unused get_fw_version_cmd[] = { 0x10, 0x01 }; |
| static const u8 set_pump_duty_cmd_header[] = { 0x72, 0x00, 0x00, 0x00 }; |
| static const u8 z53_get_status_cmd[] = { 0x74, 0x01 }; |
| |
| #define SET_INTERVAL_CMD_LENGTH 5 |
| #define FINISH_INIT_CMD_LENGTH 2 |
| #define GET_FW_VERSION_CMD_LENGTH 2 |
| #define MAX_REPORT_LENGTH 64 |
| #define MIN_REPORT_LENGTH 20 |
| #define SET_CURVE_DUTY_CMD_HEADER_LENGTH 4 |
| /* 4 byte header and 40 duty offsets */ |
| #define SET_CURVE_DUTY_CMD_LENGTH (4 + 40) |
| #define Z53_GET_STATUS_CMD_LENGTH 2 |
| |
| static const char *const kraken3_temp_label[] = { |
| "Coolant temp", |
| }; |
| |
| static const char *const kraken3_fan_label[] = { |
| "Pump speed", |
| "Fan speed" |
| }; |
| |
| struct kraken3_channel_info { |
| enum pwm_enable mode; |
| |
| /* Both values are PWM */ |
| u16 reported_duty; |
| u16 fixed_duty; /* Manually set fixed duty */ |
| |
| u8 pwm_points[CUSTOM_CURVE_POINTS]; |
| }; |
| |
| struct kraken3_data { |
| struct hid_device *hdev; |
| struct device *hwmon_dev; |
| struct dentry *debugfs; |
| struct mutex buffer_lock; /* For locking access to buffer */ |
| struct mutex z53_status_request_lock; |
| struct completion fw_version_processed; |
| /* |
| * For X53 devices, tracks whether an initial (one) sensor report was received to |
| * make fancontrol not bail outright. For Z53 devices, whether a status report |
| * was processed after requesting one. |
| */ |
| struct completion status_report_processed; |
| /* For locking the above completion */ |
| spinlock_t status_completion_lock; |
| |
| u8 *buffer; |
| struct kraken3_channel_info channel_info[2]; /* Pump and fan */ |
| bool is_device_faulty; |
| |
| /* Sensor values */ |
| s32 temp_input[1]; |
| u16 fan_input[2]; |
| |
| enum kinds kind; |
| u8 firmware_version[3]; |
| |
| unsigned long updated; /* jiffies */ |
| }; |
| |
| static umode_t kraken3_is_visible(const void *data, enum hwmon_sensor_types type, u32 attr, |
| int channel) |
| { |
| const struct kraken3_data *priv = data; |
| |
| switch (type) { |
| case hwmon_temp: |
| if (channel < 1) |
| return 0444; |
| break; |
| case hwmon_fan: |
| switch (priv->kind) { |
| case X53: |
| /* Just the pump */ |
| if (channel < 1) |
| return 0444; |
| break; |
| case Z53: |
| case KRAKEN2023: |
| /* Pump and fan */ |
| if (channel < 2) |
| return 0444; |
| break; |
| default: |
| break; |
| } |
| break; |
| case hwmon_pwm: |
| switch (attr) { |
| case hwmon_pwm_enable: |
| case hwmon_pwm_input: |
| switch (priv->kind) { |
| case X53: |
| /* Just the pump */ |
| if (channel < 1) |
| return 0644; |
| break; |
| case Z53: |
| case KRAKEN2023: |
| /* Pump and fan */ |
| if (channel < 2) |
| return 0644; |
| break; |
| default: |
| break; |
| } |
| break; |
| default: |
| break; |
| } |
| break; |
| default: |
| break; |
| } |
| |
| return 0; |
| } |
| |
| /* |
| * Writes the command to the device with the rest of the report (up to 64 bytes) filled |
| * with zeroes. |
| */ |
| static int kraken3_write_expanded(struct kraken3_data *priv, const u8 *cmd, int cmd_length) |
| { |
| int ret; |
| |
| mutex_lock(&priv->buffer_lock); |
| |
| memcpy_and_pad(priv->buffer, MAX_REPORT_LENGTH, cmd, cmd_length, 0x00); |
| ret = hid_hw_output_report(priv->hdev, priv->buffer, MAX_REPORT_LENGTH); |
| |
| mutex_unlock(&priv->buffer_lock); |
| return ret; |
| } |
| |
| static int kraken3_percent_to_pwm(long val) |
| { |
| return DIV_ROUND_CLOSEST(val * 255, 100); |
| } |
| |
| static int kraken3_pwm_to_percent(long val, int channel) |
| { |
| int percent_value; |
| |
| if (val < 0 || val > 255) |
| return -EINVAL; |
| |
| percent_value = DIV_ROUND_CLOSEST(val * 100, 255); |
| |
| /* Bring up pump duty to min value if needed */ |
| if (channel == 0 && percent_value < PUMP_DUTY_MIN) |
| percent_value = PUMP_DUTY_MIN; |
| |
| return percent_value; |
| } |
| |
| static int kraken3_read_x53(struct kraken3_data *priv) |
| { |
| int ret; |
| |
| if (completion_done(&priv->status_report_processed)) |
| /* |
| * We're here because data is stale. This means that sensor reports haven't |
| * been received for some time in kraken3_raw_event(). On X-series sensor data |
| * can't be manually requested, so return an error. |
| */ |
| return -ENODATA; |
| |
| /* |
| * Data needs to be read, but a sensor report wasn't yet received. It's usually |
| * fancontrol that requests data this early and it exits if it reads an error code. |
| * So, wait for the first report to be parsed (but up to STATUS_VALIDITY). |
| * This does not concern the Z series devices, because they send a sensor report |
| * only when requested. |
| */ |
| ret = wait_for_completion_interruptible_timeout(&priv->status_report_processed, |
| msecs_to_jiffies(STATUS_VALIDITY)); |
| if (ret == 0) |
| return -ETIMEDOUT; |
| else if (ret < 0) |
| return ret; |
| |
| /* The first sensor report was parsed on time and reading can continue */ |
| return 0; |
| } |
| |
| /* Covers Z53 and KRAKEN2023 device kinds */ |
| static int kraken3_read_z53(struct kraken3_data *priv) |
| { |
| int ret = mutex_lock_interruptible(&priv->z53_status_request_lock); |
| |
| if (ret < 0) |
| return ret; |
| |
| if (!time_after(jiffies, priv->updated + msecs_to_jiffies(STATUS_VALIDITY))) { |
| /* Data is up to date */ |
| goto unlock_and_return; |
| } |
| |
| /* |
| * Disable interrupts for a moment to safely reinit the completion, |
| * as hidraw calls could have allowed one or more readers to complete. |
| */ |
| spin_lock_bh(&priv->status_completion_lock); |
| reinit_completion(&priv->status_report_processed); |
| spin_unlock_bh(&priv->status_completion_lock); |
| |
| /* Send command for getting status */ |
| ret = kraken3_write_expanded(priv, z53_get_status_cmd, Z53_GET_STATUS_CMD_LENGTH); |
| if (ret < 0) |
| goto unlock_and_return; |
| |
| /* Wait for completion from kraken3_raw_event() */ |
| ret = wait_for_completion_interruptible_timeout(&priv->status_report_processed, |
| msecs_to_jiffies(STATUS_VALIDITY)); |
| if (ret == 0) |
| ret = -ETIMEDOUT; |
| |
| unlock_and_return: |
| mutex_unlock(&priv->z53_status_request_lock); |
| if (ret < 0) |
| return ret; |
| |
| return 0; |
| } |
| |
| static int kraken3_read(struct device *dev, enum hwmon_sensor_types type, u32 attr, int channel, |
| long *val) |
| { |
| struct kraken3_data *priv = dev_get_drvdata(dev); |
| int ret; |
| |
| if (time_after(jiffies, priv->updated + msecs_to_jiffies(STATUS_VALIDITY))) { |
| if (priv->kind == X53) |
| ret = kraken3_read_x53(priv); |
| else |
| ret = kraken3_read_z53(priv); |
| |
| if (ret < 0) |
| return ret; |
| |
| if (priv->is_device_faulty) |
| return -ENODATA; |
| } |
| |
| switch (type) { |
| case hwmon_temp: |
| *val = priv->temp_input[channel]; |
| break; |
| case hwmon_fan: |
| *val = priv->fan_input[channel]; |
| break; |
| case hwmon_pwm: |
| switch (attr) { |
| case hwmon_pwm_enable: |
| *val = priv->channel_info[channel].mode; |
| break; |
| case hwmon_pwm_input: |
| *val = priv->channel_info[channel].reported_duty; |
| break; |
| default: |
| return -EOPNOTSUPP; |
| } |
| break; |
| default: |
| return -EOPNOTSUPP; |
| } |
| |
| return 0; |
| } |
| |
| static int kraken3_read_string(struct device *dev, enum hwmon_sensor_types type, u32 attr, |
| int channel, const char **str) |
| { |
| switch (type) { |
| case hwmon_temp: |
| *str = kraken3_temp_label[channel]; |
| break; |
| case hwmon_fan: |
| *str = kraken3_fan_label[channel]; |
| break; |
| default: |
| return -EOPNOTSUPP; |
| } |
| |
| return 0; |
| } |
| |
| /* Writes custom curve to device */ |
| static int kraken3_write_curve(struct kraken3_data *priv, u8 *curve_array, int channel) |
| { |
| u8 fixed_duty_cmd[SET_CURVE_DUTY_CMD_LENGTH]; |
| int ret; |
| |
| /* Copy command header */ |
| memcpy(fixed_duty_cmd, set_pump_duty_cmd_header, SET_CURVE_DUTY_CMD_HEADER_LENGTH); |
| |
| /* Set the correct ID for writing pump/fan duty (0x01 or 0x02, respectively) */ |
| fixed_duty_cmd[SET_DUTY_ID_OFFSET] = channel + 1; |
| |
| if (priv->kind == KRAKEN2023) { |
| /* These require 1s in the next one or two slots after SET_DUTY_ID_OFFSET */ |
| fixed_duty_cmd[SET_DUTY_ID_OFFSET + 1] = 1; |
| if (channel == 1) /* Fan */ |
| fixed_duty_cmd[SET_DUTY_ID_OFFSET + 2] = 1; |
| } |
| |
| /* Copy curve to command */ |
| memcpy(fixed_duty_cmd + SET_CURVE_DUTY_CMD_HEADER_LENGTH, curve_array, CUSTOM_CURVE_POINTS); |
| |
| ret = kraken3_write_expanded(priv, fixed_duty_cmd, SET_CURVE_DUTY_CMD_LENGTH); |
| return ret; |
| } |
| |
| static int kraken3_write_fixed_duty(struct kraken3_data *priv, long val, int channel) |
| { |
| u8 fixed_curve_points[CUSTOM_CURVE_POINTS]; |
| int ret, percent_val, i; |
| |
| percent_val = kraken3_pwm_to_percent(val, channel); |
| if (percent_val < 0) |
| return percent_val; |
| |
| /* |
| * The devices can only control the duty through a curve. |
| * Since we're setting a fixed duty here, fill the whole curve |
| * (ranging from 20C to 59C) with the same duty, except for |
| * the last point, the critical temperature, where it's maxed |
| * out for safety. |
| */ |
| |
| /* Fill the custom curve with the fixed value we're setting */ |
| for (i = 0; i < CUSTOM_CURVE_POINTS - 1; i++) |
| fixed_curve_points[i] = percent_val; |
| |
| /* Force duty to 100% at critical temp */ |
| fixed_curve_points[CUSTOM_CURVE_POINTS - 1] = 100; |
| |
| /* Write the fixed duty curve to the device */ |
| ret = kraken3_write_curve(priv, fixed_curve_points, channel); |
| return ret; |
| } |
| |
| static int kraken3_write(struct device *dev, enum hwmon_sensor_types type, u32 attr, int channel, |
| long val) |
| { |
| struct kraken3_data *priv = dev_get_drvdata(dev); |
| int ret; |
| |
| switch (type) { |
| case hwmon_pwm: |
| switch (attr) { |
| case hwmon_pwm_input: |
| /* Remember the last set fixed duty for channel */ |
| priv->channel_info[channel].fixed_duty = val; |
| |
| if (priv->channel_info[channel].mode == manual) { |
| ret = kraken3_write_fixed_duty(priv, val, channel); |
| if (ret < 0) |
| return ret; |
| |
| /* |
| * Lock onto this value and report it until next interrupt status |
| * report is received, so userspace tools can continue to work. |
| */ |
| priv->channel_info[channel].reported_duty = val; |
| } |
| break; |
| case hwmon_pwm_enable: |
| if (val < 0 || val > 2) |
| return -EINVAL; |
| |
| switch (val) { |
| case 0: |
| /* Set channel to 100%, direct duty value */ |
| ret = kraken3_write_fixed_duty(priv, 255, channel); |
| if (ret < 0) |
| return ret; |
| |
| /* We don't control anything anymore */ |
| priv->channel_info[channel].mode = off; |
| break; |
| case 1: |
| /* Apply the last known direct duty value */ |
| ret = |
| kraken3_write_fixed_duty(priv, |
| priv->channel_info[channel].fixed_duty, |
| channel); |
| if (ret < 0) |
| return ret; |
| |
| priv->channel_info[channel].mode = manual; |
| break; |
| case 2: |
| /* Apply the curve and note as enabled */ |
| ret = |
| kraken3_write_curve(priv, |
| priv->channel_info[channel].pwm_points, |
| channel); |
| if (ret < 0) |
| return ret; |
| |
| priv->channel_info[channel].mode = curve; |
| break; |
| default: |
| break; |
| } |
| break; |
| default: |
| return -EOPNOTSUPP; |
| } |
| break; |
| default: |
| return -EOPNOTSUPP; |
| } |
| |
| return 0; |
| } |
| |
| static ssize_t kraken3_fan_curve_pwm_store(struct device *dev, struct device_attribute *attr, |
| const char *buf, size_t count) |
| { |
| struct sensor_device_attribute_2 *dev_attr = to_sensor_dev_attr_2(attr); |
| struct kraken3_data *priv = dev_get_drvdata(dev); |
| long val; |
| int ret; |
| |
| if (kstrtol(buf, 10, &val) < 0) |
| return -EINVAL; |
| |
| val = kraken3_pwm_to_percent(val, dev_attr->nr); |
| if (val < 0) |
| return val; |
| |
| priv->channel_info[dev_attr->nr].pwm_points[dev_attr->index] = val; |
| |
| if (priv->channel_info[dev_attr->nr].mode == curve) { |
| /* Apply the curve */ |
| ret = |
| kraken3_write_curve(priv, |
| priv->channel_info[dev_attr->nr].pwm_points, dev_attr->nr); |
| if (ret < 0) |
| return ret; |
| } |
| |
| return count; |
| } |
| |
| static umode_t kraken3_curve_props_are_visible(struct kobject *kobj, struct attribute *attr, |
| int index) |
| { |
| struct device *dev = kobj_to_dev(kobj); |
| struct kraken3_data *priv = dev_get_drvdata(dev); |
| |
| /* X53 does not have a fan */ |
| if (index >= CUSTOM_CURVE_POINTS && priv->kind == X53) |
| return 0; |
| |
| return attr->mode; |
| } |
| |
| /* Custom pump curve from 20C to 59C (critical temp) */ |
| static SENSOR_DEVICE_ATTR_2_WO(temp1_auto_point1_pwm, kraken3_fan_curve_pwm, 0, 0); |
| static SENSOR_DEVICE_ATTR_2_WO(temp1_auto_point2_pwm, kraken3_fan_curve_pwm, 0, 1); |
| static SENSOR_DEVICE_ATTR_2_WO(temp1_auto_point3_pwm, kraken3_fan_curve_pwm, 0, 2); |
| static SENSOR_DEVICE_ATTR_2_WO(temp1_auto_point4_pwm, kraken3_fan_curve_pwm, 0, 3); |
| static SENSOR_DEVICE_ATTR_2_WO(temp1_auto_point5_pwm, kraken3_fan_curve_pwm, 0, 4); |
| static SENSOR_DEVICE_ATTR_2_WO(temp1_auto_point6_pwm, kraken3_fan_curve_pwm, 0, 5); |
| static SENSOR_DEVICE_ATTR_2_WO(temp1_auto_point7_pwm, kraken3_fan_curve_pwm, 0, 6); |
| static SENSOR_DEVICE_ATTR_2_WO(temp1_auto_point8_pwm, kraken3_fan_curve_pwm, 0, 7); |
| static SENSOR_DEVICE_ATTR_2_WO(temp1_auto_point9_pwm, kraken3_fan_curve_pwm, 0, 8); |
| static SENSOR_DEVICE_ATTR_2_WO(temp1_auto_point10_pwm, kraken3_fan_curve_pwm, 0, 9); |
| static SENSOR_DEVICE_ATTR_2_WO(temp1_auto_point11_pwm, kraken3_fan_curve_pwm, 0, 10); |
| static SENSOR_DEVICE_ATTR_2_WO(temp1_auto_point12_pwm, kraken3_fan_curve_pwm, 0, 11); |
| static SENSOR_DEVICE_ATTR_2_WO(temp1_auto_point13_pwm, kraken3_fan_curve_pwm, 0, 12); |
| static SENSOR_DEVICE_ATTR_2_WO(temp1_auto_point14_pwm, kraken3_fan_curve_pwm, 0, 13); |
| static SENSOR_DEVICE_ATTR_2_WO(temp1_auto_point15_pwm, kraken3_fan_curve_pwm, 0, 14); |
| static SENSOR_DEVICE_ATTR_2_WO(temp1_auto_point16_pwm, kraken3_fan_curve_pwm, 0, 15); |
| static SENSOR_DEVICE_ATTR_2_WO(temp1_auto_point17_pwm, kraken3_fan_curve_pwm, 0, 16); |
| static SENSOR_DEVICE_ATTR_2_WO(temp1_auto_point18_pwm, kraken3_fan_curve_pwm, 0, 17); |
| static SENSOR_DEVICE_ATTR_2_WO(temp1_auto_point19_pwm, kraken3_fan_curve_pwm, 0, 18); |
| static SENSOR_DEVICE_ATTR_2_WO(temp1_auto_point20_pwm, kraken3_fan_curve_pwm, 0, 19); |
| static SENSOR_DEVICE_ATTR_2_WO(temp1_auto_point21_pwm, kraken3_fan_curve_pwm, 0, 20); |
| static SENSOR_DEVICE_ATTR_2_WO(temp1_auto_point22_pwm, kraken3_fan_curve_pwm, 0, 21); |
| static SENSOR_DEVICE_ATTR_2_WO(temp1_auto_point23_pwm, kraken3_fan_curve_pwm, 0, 22); |
| static SENSOR_DEVICE_ATTR_2_WO(temp1_auto_point24_pwm, kraken3_fan_curve_pwm, 0, 23); |
| static SENSOR_DEVICE_ATTR_2_WO(temp1_auto_point25_pwm, kraken3_fan_curve_pwm, 0, 24); |
| static SENSOR_DEVICE_ATTR_2_WO(temp1_auto_point26_pwm, kraken3_fan_curve_pwm, 0, 25); |
| static SENSOR_DEVICE_ATTR_2_WO(temp1_auto_point27_pwm, kraken3_fan_curve_pwm, 0, 26); |
| static SENSOR_DEVICE_ATTR_2_WO(temp1_auto_point28_pwm, kraken3_fan_curve_pwm, 0, 27); |
| static SENSOR_DEVICE_ATTR_2_WO(temp1_auto_point29_pwm, kraken3_fan_curve_pwm, 0, 28); |
| static SENSOR_DEVICE_ATTR_2_WO(temp1_auto_point30_pwm, kraken3_fan_curve_pwm, 0, 29); |
| static SENSOR_DEVICE_ATTR_2_WO(temp1_auto_point31_pwm, kraken3_fan_curve_pwm, 0, 30); |
| static SENSOR_DEVICE_ATTR_2_WO(temp1_auto_point32_pwm, kraken3_fan_curve_pwm, 0, 31); |
| static SENSOR_DEVICE_ATTR_2_WO(temp1_auto_point33_pwm, kraken3_fan_curve_pwm, 0, 32); |
| static SENSOR_DEVICE_ATTR_2_WO(temp1_auto_point34_pwm, kraken3_fan_curve_pwm, 0, 33); |
| static SENSOR_DEVICE_ATTR_2_WO(temp1_auto_point35_pwm, kraken3_fan_curve_pwm, 0, 34); |
| static SENSOR_DEVICE_ATTR_2_WO(temp1_auto_point36_pwm, kraken3_fan_curve_pwm, 0, 35); |
| static SENSOR_DEVICE_ATTR_2_WO(temp1_auto_point37_pwm, kraken3_fan_curve_pwm, 0, 36); |
| static SENSOR_DEVICE_ATTR_2_WO(temp1_auto_point38_pwm, kraken3_fan_curve_pwm, 0, 37); |
| static SENSOR_DEVICE_ATTR_2_WO(temp1_auto_point39_pwm, kraken3_fan_curve_pwm, 0, 38); |
| static SENSOR_DEVICE_ATTR_2_WO(temp1_auto_point40_pwm, kraken3_fan_curve_pwm, 0, 39); |
| |
| /* Custom fan curve from 20C to 59C (critical temp) */ |
| static SENSOR_DEVICE_ATTR_2_WO(temp2_auto_point1_pwm, kraken3_fan_curve_pwm, 1, 0); |
| static SENSOR_DEVICE_ATTR_2_WO(temp2_auto_point2_pwm, kraken3_fan_curve_pwm, 1, 1); |
| static SENSOR_DEVICE_ATTR_2_WO(temp2_auto_point3_pwm, kraken3_fan_curve_pwm, 1, 2); |
| static SENSOR_DEVICE_ATTR_2_WO(temp2_auto_point4_pwm, kraken3_fan_curve_pwm, 1, 3); |
| static SENSOR_DEVICE_ATTR_2_WO(temp2_auto_point5_pwm, kraken3_fan_curve_pwm, 1, 4); |
| static SENSOR_DEVICE_ATTR_2_WO(temp2_auto_point6_pwm, kraken3_fan_curve_pwm, 1, 5); |
| static SENSOR_DEVICE_ATTR_2_WO(temp2_auto_point7_pwm, kraken3_fan_curve_pwm, 1, 6); |
| static SENSOR_DEVICE_ATTR_2_WO(temp2_auto_point8_pwm, kraken3_fan_curve_pwm, 1, 7); |
| static SENSOR_DEVICE_ATTR_2_WO(temp2_auto_point9_pwm, kraken3_fan_curve_pwm, 1, 8); |
| static SENSOR_DEVICE_ATTR_2_WO(temp2_auto_point10_pwm, kraken3_fan_curve_pwm, 1, 9); |
| static SENSOR_DEVICE_ATTR_2_WO(temp2_auto_point11_pwm, kraken3_fan_curve_pwm, 1, 10); |
| static SENSOR_DEVICE_ATTR_2_WO(temp2_auto_point12_pwm, kraken3_fan_curve_pwm, 1, 11); |
| static SENSOR_DEVICE_ATTR_2_WO(temp2_auto_point13_pwm, kraken3_fan_curve_pwm, 1, 12); |
| static SENSOR_DEVICE_ATTR_2_WO(temp2_auto_point14_pwm, kraken3_fan_curve_pwm, 1, 13); |
| static SENSOR_DEVICE_ATTR_2_WO(temp2_auto_point15_pwm, kraken3_fan_curve_pwm, 1, 14); |
| static SENSOR_DEVICE_ATTR_2_WO(temp2_auto_point16_pwm, kraken3_fan_curve_pwm, 1, 15); |
| static SENSOR_DEVICE_ATTR_2_WO(temp2_auto_point17_pwm, kraken3_fan_curve_pwm, 1, 16); |
| static SENSOR_DEVICE_ATTR_2_WO(temp2_auto_point18_pwm, kraken3_fan_curve_pwm, 1, 17); |
| static SENSOR_DEVICE_ATTR_2_WO(temp2_auto_point19_pwm, kraken3_fan_curve_pwm, 1, 18); |
| static SENSOR_DEVICE_ATTR_2_WO(temp2_auto_point20_pwm, kraken3_fan_curve_pwm, 1, 19); |
| static SENSOR_DEVICE_ATTR_2_WO(temp2_auto_point21_pwm, kraken3_fan_curve_pwm, 1, 20); |
| static SENSOR_DEVICE_ATTR_2_WO(temp2_auto_point22_pwm, kraken3_fan_curve_pwm, 1, 21); |
| static SENSOR_DEVICE_ATTR_2_WO(temp2_auto_point23_pwm, kraken3_fan_curve_pwm, 1, 22); |
| static SENSOR_DEVICE_ATTR_2_WO(temp2_auto_point24_pwm, kraken3_fan_curve_pwm, 1, 23); |
| static SENSOR_DEVICE_ATTR_2_WO(temp2_auto_point25_pwm, kraken3_fan_curve_pwm, 1, 24); |
| static SENSOR_DEVICE_ATTR_2_WO(temp2_auto_point26_pwm, kraken3_fan_curve_pwm, 1, 25); |
| static SENSOR_DEVICE_ATTR_2_WO(temp2_auto_point27_pwm, kraken3_fan_curve_pwm, 1, 26); |
| static SENSOR_DEVICE_ATTR_2_WO(temp2_auto_point28_pwm, kraken3_fan_curve_pwm, 1, 27); |
| static SENSOR_DEVICE_ATTR_2_WO(temp2_auto_point29_pwm, kraken3_fan_curve_pwm, 1, 28); |
| static SENSOR_DEVICE_ATTR_2_WO(temp2_auto_point30_pwm, kraken3_fan_curve_pwm, 1, 29); |
| static SENSOR_DEVICE_ATTR_2_WO(temp2_auto_point31_pwm, kraken3_fan_curve_pwm, 1, 30); |
| static SENSOR_DEVICE_ATTR_2_WO(temp2_auto_point32_pwm, kraken3_fan_curve_pwm, 1, 31); |
| static SENSOR_DEVICE_ATTR_2_WO(temp2_auto_point33_pwm, kraken3_fan_curve_pwm, 1, 32); |
| static SENSOR_DEVICE_ATTR_2_WO(temp2_auto_point34_pwm, kraken3_fan_curve_pwm, 1, 33); |
| static SENSOR_DEVICE_ATTR_2_WO(temp2_auto_point35_pwm, kraken3_fan_curve_pwm, 1, 34); |
| static SENSOR_DEVICE_ATTR_2_WO(temp2_auto_point36_pwm, kraken3_fan_curve_pwm, 1, 35); |
| static SENSOR_DEVICE_ATTR_2_WO(temp2_auto_point37_pwm, kraken3_fan_curve_pwm, 1, 36); |
| static SENSOR_DEVICE_ATTR_2_WO(temp2_auto_point38_pwm, kraken3_fan_curve_pwm, 1, 37); |
| static SENSOR_DEVICE_ATTR_2_WO(temp2_auto_point39_pwm, kraken3_fan_curve_pwm, 1, 38); |
| static SENSOR_DEVICE_ATTR_2_WO(temp2_auto_point40_pwm, kraken3_fan_curve_pwm, 1, 39); |
| |
| static struct attribute *kraken3_curve_attrs[] = { |
| /* Pump control curve */ |
| &sensor_dev_attr_temp1_auto_point1_pwm.dev_attr.attr, |
| &sensor_dev_attr_temp1_auto_point2_pwm.dev_attr.attr, |
| &sensor_dev_attr_temp1_auto_point3_pwm.dev_attr.attr, |
| &sensor_dev_attr_temp1_auto_point4_pwm.dev_attr.attr, |
| &sensor_dev_attr_temp1_auto_point5_pwm.dev_attr.attr, |
| &sensor_dev_attr_temp1_auto_point6_pwm.dev_attr.attr, |
| &sensor_dev_attr_temp1_auto_point7_pwm.dev_attr.attr, |
| &sensor_dev_attr_temp1_auto_point8_pwm.dev_attr.attr, |
| &sensor_dev_attr_temp1_auto_point9_pwm.dev_attr.attr, |
| &sensor_dev_attr_temp1_auto_point10_pwm.dev_attr.attr, |
| &sensor_dev_attr_temp1_auto_point11_pwm.dev_attr.attr, |
| &sensor_dev_attr_temp1_auto_point12_pwm.dev_attr.attr, |
| &sensor_dev_attr_temp1_auto_point13_pwm.dev_attr.attr, |
| &sensor_dev_attr_temp1_auto_point14_pwm.dev_attr.attr, |
| &sensor_dev_attr_temp1_auto_point15_pwm.dev_attr.attr, |
| &sensor_dev_attr_temp1_auto_point16_pwm.dev_attr.attr, |
| &sensor_dev_attr_temp1_auto_point17_pwm.dev_attr.attr, |
| &sensor_dev_attr_temp1_auto_point18_pwm.dev_attr.attr, |
| &sensor_dev_attr_temp1_auto_point19_pwm.dev_attr.attr, |
| &sensor_dev_attr_temp1_auto_point20_pwm.dev_attr.attr, |
| &sensor_dev_attr_temp1_auto_point21_pwm.dev_attr.attr, |
| &sensor_dev_attr_temp1_auto_point22_pwm.dev_attr.attr, |
| &sensor_dev_attr_temp1_auto_point23_pwm.dev_attr.attr, |
| &sensor_dev_attr_temp1_auto_point24_pwm.dev_attr.attr, |
| &sensor_dev_attr_temp1_auto_point25_pwm.dev_attr.attr, |
| &sensor_dev_attr_temp1_auto_point26_pwm.dev_attr.attr, |
| &sensor_dev_attr_temp1_auto_point27_pwm.dev_attr.attr, |
| &sensor_dev_attr_temp1_auto_point28_pwm.dev_attr.attr, |
| &sensor_dev_attr_temp1_auto_point29_pwm.dev_attr.attr, |
| &sensor_dev_attr_temp1_auto_point30_pwm.dev_attr.attr, |
| &sensor_dev_attr_temp1_auto_point31_pwm.dev_attr.attr, |
| &sensor_dev_attr_temp1_auto_point32_pwm.dev_attr.attr, |
| &sensor_dev_attr_temp1_auto_point33_pwm.dev_attr.attr, |
| &sensor_dev_attr_temp1_auto_point34_pwm.dev_attr.attr, |
| &sensor_dev_attr_temp1_auto_point35_pwm.dev_attr.attr, |
| &sensor_dev_attr_temp1_auto_point36_pwm.dev_attr.attr, |
| &sensor_dev_attr_temp1_auto_point37_pwm.dev_attr.attr, |
| &sensor_dev_attr_temp1_auto_point38_pwm.dev_attr.attr, |
| &sensor_dev_attr_temp1_auto_point39_pwm.dev_attr.attr, |
| &sensor_dev_attr_temp1_auto_point40_pwm.dev_attr.attr, |
| /* Fan control curve (Z53 only) */ |
| &sensor_dev_attr_temp2_auto_point1_pwm.dev_attr.attr, |
| &sensor_dev_attr_temp2_auto_point2_pwm.dev_attr.attr, |
| &sensor_dev_attr_temp2_auto_point3_pwm.dev_attr.attr, |
| &sensor_dev_attr_temp2_auto_point4_pwm.dev_attr.attr, |
| &sensor_dev_attr_temp2_auto_point5_pwm.dev_attr.attr, |
| &sensor_dev_attr_temp2_auto_point6_pwm.dev_attr.attr, |
| &sensor_dev_attr_temp2_auto_point7_pwm.dev_attr.attr, |
| &sensor_dev_attr_temp2_auto_point8_pwm.dev_attr.attr, |
| &sensor_dev_attr_temp2_auto_point9_pwm.dev_attr.attr, |
| &sensor_dev_attr_temp2_auto_point10_pwm.dev_attr.attr, |
| &sensor_dev_attr_temp2_auto_point11_pwm.dev_attr.attr, |
| &sensor_dev_attr_temp2_auto_point12_pwm.dev_attr.attr, |
| &sensor_dev_attr_temp2_auto_point13_pwm.dev_attr.attr, |
| &sensor_dev_attr_temp2_auto_point14_pwm.dev_attr.attr, |
| &sensor_dev_attr_temp2_auto_point15_pwm.dev_attr.attr, |
| &sensor_dev_attr_temp2_auto_point16_pwm.dev_attr.attr, |
| &sensor_dev_attr_temp2_auto_point17_pwm.dev_attr.attr, |
| &sensor_dev_attr_temp2_auto_point18_pwm.dev_attr.attr, |
| &sensor_dev_attr_temp2_auto_point19_pwm.dev_attr.attr, |
| &sensor_dev_attr_temp2_auto_point20_pwm.dev_attr.attr, |
| &sensor_dev_attr_temp2_auto_point21_pwm.dev_attr.attr, |
| &sensor_dev_attr_temp2_auto_point22_pwm.dev_attr.attr, |
| &sensor_dev_attr_temp2_auto_point23_pwm.dev_attr.attr, |
| &sensor_dev_attr_temp2_auto_point24_pwm.dev_attr.attr, |
| &sensor_dev_attr_temp2_auto_point25_pwm.dev_attr.attr, |
| &sensor_dev_attr_temp2_auto_point26_pwm.dev_attr.attr, |
| &sensor_dev_attr_temp2_auto_point27_pwm.dev_attr.attr, |
| &sensor_dev_attr_temp2_auto_point28_pwm.dev_attr.attr, |
| &sensor_dev_attr_temp2_auto_point29_pwm.dev_attr.attr, |
| &sensor_dev_attr_temp2_auto_point30_pwm.dev_attr.attr, |
| &sensor_dev_attr_temp2_auto_point31_pwm.dev_attr.attr, |
| &sensor_dev_attr_temp2_auto_point32_pwm.dev_attr.attr, |
| &sensor_dev_attr_temp2_auto_point33_pwm.dev_attr.attr, |
| &sensor_dev_attr_temp2_auto_point34_pwm.dev_attr.attr, |
| &sensor_dev_attr_temp2_auto_point35_pwm.dev_attr.attr, |
| &sensor_dev_attr_temp2_auto_point36_pwm.dev_attr.attr, |
| &sensor_dev_attr_temp2_auto_point37_pwm.dev_attr.attr, |
| &sensor_dev_attr_temp2_auto_point38_pwm.dev_attr.attr, |
| &sensor_dev_attr_temp2_auto_point39_pwm.dev_attr.attr, |
| &sensor_dev_attr_temp2_auto_point40_pwm.dev_attr.attr, |
| NULL |
| }; |
| |
| static const struct attribute_group kraken3_curves_group = { |
| .attrs = kraken3_curve_attrs, |
| .is_visible = kraken3_curve_props_are_visible |
| }; |
| |
| static const struct attribute_group *kraken3_groups[] = { |
| &kraken3_curves_group, |
| NULL |
| }; |
| |
| static const struct hwmon_ops kraken3_hwmon_ops = { |
| .is_visible = kraken3_is_visible, |
| .read = kraken3_read, |
| .read_string = kraken3_read_string, |
| .write = kraken3_write |
| }; |
| |
| static const struct hwmon_channel_info *kraken3_info[] = { |
| HWMON_CHANNEL_INFO(temp, |
| HWMON_T_INPUT | HWMON_T_LABEL), |
| HWMON_CHANNEL_INFO(fan, |
| 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_CHANNEL_INFO(pwm, |
| HWMON_PWM_INPUT | HWMON_PWM_ENABLE, |
| HWMON_PWM_INPUT | HWMON_PWM_ENABLE), |
| NULL |
| }; |
| |
| static const struct hwmon_chip_info kraken3_chip_info = { |
| .ops = &kraken3_hwmon_ops, |
| .info = kraken3_info, |
| }; |
| |
| static int kraken3_raw_event(struct hid_device *hdev, struct hid_report *report, u8 *data, int size) |
| { |
| struct kraken3_data *priv = hid_get_drvdata(hdev); |
| int i; |
| |
| if (size < MIN_REPORT_LENGTH) |
| return 0; |
| |
| if (report->id == FIRMWARE_REPORT_ID) { |
| /* Read firmware version */ |
| for (i = 0; i < 3; i++) |
| priv->firmware_version[i] = data[FIRMWARE_VERSION_OFFSET + i]; |
| |
| if (!completion_done(&priv->fw_version_processed)) |
| complete_all(&priv->fw_version_processed); |
| |
| return 0; |
| } |
| |
| if (report->id != STATUS_REPORT_ID) |
| return 0; |
| |
| if (data[TEMP_SENSOR_START_OFFSET] == 0xff && data[TEMP_SENSOR_END_OFFSET] == 0xff) { |
| hid_err_once(hdev, |
| "firmware or device is possibly damaged (is SATA power connected?), not parsing reports\n"); |
| |
| /* |
| * Mark first X-series device report as received, |
| * as well as all for Z-series, if faulty. |
| */ |
| spin_lock(&priv->status_completion_lock); |
| if (priv->kind != X53 || !completion_done(&priv->status_report_processed)) { |
| priv->is_device_faulty = true; |
| complete_all(&priv->status_report_processed); |
| } |
| spin_unlock(&priv->status_completion_lock); |
| |
| return 0; |
| } |
| |
| /* Received normal data */ |
| priv->is_device_faulty = false; |
| |
| /* Temperature and fan sensor readings */ |
| priv->temp_input[0] = |
| data[TEMP_SENSOR_START_OFFSET] * 1000 + data[TEMP_SENSOR_END_OFFSET] * 100; |
| |
| priv->fan_input[0] = get_unaligned_le16(data + PUMP_SPEED_OFFSET); |
| priv->channel_info[0].reported_duty = kraken3_percent_to_pwm(data[PUMP_DUTY_OFFSET]); |
| |
| spin_lock(&priv->status_completion_lock); |
| if (priv->kind == X53 && !completion_done(&priv->status_report_processed)) { |
| /* Mark first X-series device report as received */ |
| complete_all(&priv->status_report_processed); |
| } else if (priv->kind == Z53 || priv->kind == KRAKEN2023) { |
| /* Additional readings for Z53 and KRAKEN2023 */ |
| priv->fan_input[1] = get_unaligned_le16(data + Z53_FAN_SPEED_OFFSET); |
| priv->channel_info[1].reported_duty = |
| kraken3_percent_to_pwm(data[Z53_FAN_DUTY_OFFSET]); |
| |
| if (!completion_done(&priv->status_report_processed)) |
| complete_all(&priv->status_report_processed); |
| } |
| spin_unlock(&priv->status_completion_lock); |
| |
| priv->updated = jiffies; |
| |
| return 0; |
| } |
| |
| static int kraken3_init_device(struct hid_device *hdev) |
| { |
| struct kraken3_data *priv = hid_get_drvdata(hdev); |
| int ret; |
| |
| /* Set the polling interval */ |
| ret = kraken3_write_expanded(priv, set_interval_cmd, SET_INTERVAL_CMD_LENGTH); |
| if (ret < 0) |
| return ret; |
| |
| /* Finalize the init process */ |
| ret = kraken3_write_expanded(priv, finish_init_cmd, FINISH_INIT_CMD_LENGTH); |
| if (ret < 0) |
| return ret; |
| |
| return 0; |
| } |
| |
| static int kraken3_get_fw_ver(struct hid_device *hdev) |
| { |
| struct kraken3_data *priv = hid_get_drvdata(hdev); |
| int ret; |
| |
| ret = kraken3_write_expanded(priv, get_fw_version_cmd, GET_FW_VERSION_CMD_LENGTH); |
| if (ret < 0) |
| return ret; |
| |
| ret = wait_for_completion_interruptible_timeout(&priv->fw_version_processed, |
| msecs_to_jiffies(STATUS_VALIDITY)); |
| if (ret == 0) |
| return -ETIMEDOUT; |
| else if (ret < 0) |
| return ret; |
| |
| return 0; |
| } |
| |
| static int __maybe_unused kraken3_reset_resume(struct hid_device *hdev) |
| { |
| int ret; |
| |
| ret = kraken3_init_device(hdev); |
| if (ret) |
| hid_err(hdev, "req init (reset_resume) failed with %d\n", ret); |
| |
| return ret; |
| } |
| |
| static int firmware_version_show(struct seq_file *seqf, void *unused) |
| { |
| struct kraken3_data *priv = seqf->private; |
| |
| seq_printf(seqf, "%u.%u.%u\n", priv->firmware_version[0], priv->firmware_version[1], |
| priv->firmware_version[2]); |
| |
| return 0; |
| } |
| DEFINE_SHOW_ATTRIBUTE(firmware_version); |
| |
| static void kraken3_debugfs_init(struct kraken3_data *priv, const char *device_name) |
| { |
| char name[64]; |
| |
| if (!priv->firmware_version[0]) |
| return; /* Nothing to display in debugfs */ |
| |
| scnprintf(name, sizeof(name), "%s_%s-%s", DRIVER_NAME, device_name, |
| dev_name(&priv->hdev->dev)); |
| |
| priv->debugfs = debugfs_create_dir(name, NULL); |
| debugfs_create_file("firmware_version", 0444, priv->debugfs, priv, &firmware_version_fops); |
| } |
| |
| static int kraken3_probe(struct hid_device *hdev, const struct hid_device_id *id) |
| { |
| struct kraken3_data *priv; |
| const char *device_name; |
| int ret; |
| |
| priv = devm_kzalloc(&hdev->dev, sizeof(*priv), GFP_KERNEL); |
| if (!priv) |
| return -ENOMEM; |
| |
| priv->hdev = hdev; |
| hid_set_drvdata(hdev, priv); |
| |
| /* |
| * Initialize ->updated to STATUS_VALIDITY seconds in the past, making |
| * the initial empty data invalid for kraken3_read without the need for |
| * a special case there. |
| */ |
| priv->updated = jiffies - msecs_to_jiffies(STATUS_VALIDITY); |
| |
| ret = hid_parse(hdev); |
| if (ret) { |
| hid_err(hdev, "hid parse failed with %d\n", ret); |
| return ret; |
| } |
| |
| /* Enable hidraw so existing user-space tools can continue to work */ |
| ret = hid_hw_start(hdev, HID_CONNECT_HIDRAW); |
| if (ret) { |
| hid_err(hdev, "hid hw start failed with %d\n", ret); |
| return ret; |
| } |
| |
| ret = hid_hw_open(hdev); |
| if (ret) { |
| hid_err(hdev, "hid hw open failed with %d\n", ret); |
| goto fail_and_stop; |
| } |
| |
| switch (hdev->product) { |
| case USB_PRODUCT_ID_X53: |
| case USB_PRODUCT_ID_X53_SECOND: |
| priv->kind = X53; |
| device_name = "x53"; |
| break; |
| case USB_PRODUCT_ID_Z53: |
| priv->kind = Z53; |
| device_name = "z53"; |
| break; |
| case USB_PRODUCT_ID_KRAKEN2023: |
| priv->kind = KRAKEN2023; |
| device_name = "kraken2023"; |
| break; |
| case USB_PRODUCT_ID_KRAKEN2023_ELITE: |
| priv->kind = KRAKEN2023; |
| device_name = "kraken2023elite"; |
| break; |
| default: |
| ret = -ENODEV; |
| goto fail_and_close; |
| } |
| |
| priv->buffer = devm_kzalloc(&hdev->dev, MAX_REPORT_LENGTH, GFP_KERNEL); |
| if (!priv->buffer) { |
| ret = -ENOMEM; |
| goto fail_and_close; |
| } |
| |
| mutex_init(&priv->buffer_lock); |
| mutex_init(&priv->z53_status_request_lock); |
| init_completion(&priv->fw_version_processed); |
| init_completion(&priv->status_report_processed); |
| spin_lock_init(&priv->status_completion_lock); |
| |
| hid_device_io_start(hdev); |
| ret = kraken3_init_device(hdev); |
| if (ret < 0) { |
| hid_err(hdev, "device init failed with %d\n", ret); |
| goto fail_and_close; |
| } |
| |
| ret = kraken3_get_fw_ver(hdev); |
| if (ret < 0) |
| hid_warn(hdev, "fw version request failed with %d\n", ret); |
| |
| priv->hwmon_dev = hwmon_device_register_with_info(&hdev->dev, device_name, priv, |
| &kraken3_chip_info, kraken3_groups); |
| if (IS_ERR(priv->hwmon_dev)) { |
| ret = PTR_ERR(priv->hwmon_dev); |
| hid_err(hdev, "hwmon registration failed with %d\n", ret); |
| goto fail_and_close; |
| } |
| |
| kraken3_debugfs_init(priv, device_name); |
| |
| return 0; |
| |
| fail_and_close: |
| hid_hw_close(hdev); |
| fail_and_stop: |
| hid_hw_stop(hdev); |
| return ret; |
| } |
| |
| static void kraken3_remove(struct hid_device *hdev) |
| { |
| struct kraken3_data *priv = hid_get_drvdata(hdev); |
| |
| debugfs_remove_recursive(priv->debugfs); |
| hwmon_device_unregister(priv->hwmon_dev); |
| |
| hid_hw_close(hdev); |
| hid_hw_stop(hdev); |
| } |
| |
| static const struct hid_device_id kraken3_table[] = { |
| /* NZXT Kraken X53/X63/X73 have two possible product IDs */ |
| { HID_USB_DEVICE(USB_VENDOR_ID_NZXT, USB_PRODUCT_ID_X53) }, |
| { HID_USB_DEVICE(USB_VENDOR_ID_NZXT, USB_PRODUCT_ID_X53_SECOND) }, |
| { HID_USB_DEVICE(USB_VENDOR_ID_NZXT, USB_PRODUCT_ID_Z53) }, |
| { HID_USB_DEVICE(USB_VENDOR_ID_NZXT, USB_PRODUCT_ID_KRAKEN2023) }, |
| { HID_USB_DEVICE(USB_VENDOR_ID_NZXT, USB_PRODUCT_ID_KRAKEN2023_ELITE) }, |
| { } |
| }; |
| |
| MODULE_DEVICE_TABLE(hid, kraken3_table); |
| |
| static struct hid_driver kraken3_driver = { |
| .name = DRIVER_NAME, |
| .id_table = kraken3_table, |
| .probe = kraken3_probe, |
| .remove = kraken3_remove, |
| .raw_event = kraken3_raw_event, |
| #ifdef CONFIG_PM |
| .reset_resume = kraken3_reset_resume, |
| #endif |
| }; |
| |
| static int __init kraken3_init(void) |
| { |
| return hid_register_driver(&kraken3_driver); |
| } |
| |
| static void __exit kraken3_exit(void) |
| { |
| hid_unregister_driver(&kraken3_driver); |
| } |
| |
| /* When compiled into the kernel, initialize after the HID bus */ |
| late_initcall(kraken3_init); |
| module_exit(kraken3_exit); |
| |
| MODULE_LICENSE("GPL"); |
| MODULE_AUTHOR("Jonas Malaco <jonas@protocubo.io>"); |
| MODULE_AUTHOR("Aleksa Savic <savicaleksa83@gmail.com>"); |
| MODULE_DESCRIPTION("Hwmon driver for NZXT Kraken X53/X63/X73, Z53/Z63/Z73 coolers"); |
