// SPDX-License-Identifier: GPL-2.0+ /* * hwmon driver for Asus ROG Ryujin II 360 AIO cooler. * * Copyright 2024 Aleksa Savic <[email protected]> */ #include <linux/debugfs.h> #include <linux/hid.h> #include <linux/hwmon.h> #include <linux/jiffies.h> #include <linux/module.h> #include <linux/spinlock.h> #include <asm/unaligned.h> #define DRIVER_NAME … #define USB_VENDOR_ID_ASUS_ROG … #define USB_PRODUCT_ID_RYUJIN_AIO … #define STATUS_VALIDITY … #define MAX_REPORT_LENGTH … /* Cooler status report offsets */ #define RYUJIN_TEMP_SENSOR_1 … #define RYUJIN_TEMP_SENSOR_2 … #define RYUJIN_PUMP_SPEED … #define RYUJIN_INTERNAL_FAN_SPEED … /* Cooler duty report offsets */ #define RYUJIN_PUMP_DUTY … #define RYUJIN_INTERNAL_FAN_DUTY … /* Controller status (speeds) report offsets */ #define RYUJIN_CONTROLLER_SPEED_1 … #define RYUJIN_CONTROLLER_SPEED_2 … #define RYUJIN_CONTROLLER_SPEED_3 … #define RYUJIN_CONTROLLER_SPEED_4 … /* Controller duty report offsets */ #define RYUJIN_CONTROLLER_DUTY … /* Control commands and their inner offsets */ #define RYUJIN_CMD_PREFIX … static const u8 get_cooler_status_cmd[] = …; static const u8 get_cooler_duty_cmd[] = …; static const u8 get_controller_speed_cmd[] = …; static const u8 get_controller_duty_cmd[] = …; #define RYUJIN_SET_COOLER_PUMP_DUTY_OFFSET … #define RYUJIN_SET_COOLER_FAN_DUTY_OFFSET … static const u8 set_cooler_duty_cmd[] = …; #define RYUJIN_SET_CONTROLLER_FAN_DUTY_OFFSET … static const u8 set_controller_duty_cmd[] = …; /* Command lengths */ #define GET_CMD_LENGTH … #define SET_CMD_LENGTH … /* Command response headers */ #define RYUJIN_GET_COOLER_STATUS_CMD_RESPONSE … #define RYUJIN_GET_COOLER_DUTY_CMD_RESPONSE … #define RYUJIN_GET_CONTROLLER_SPEED_CMD_RESPONSE … #define RYUJIN_GET_CONTROLLER_DUTY_CMD_RESPONSE … static const char *const rog_ryujin_temp_label[] = …; static const char *const rog_ryujin_speed_label[] = …; struct rog_ryujin_data { … }; static int rog_ryujin_percent_to_pwm(u16 val) { … } static int rog_ryujin_pwm_to_percent(long val) { … } static umode_t rog_ryujin_is_visible(const void *data, enum hwmon_sensor_types type, u32 attr, int channel) { … } /* Writes the command to the device with the rest of the report filled with zeroes */ static int rog_ryujin_write_expanded(struct rog_ryujin_data *priv, const u8 *cmd, int cmd_length) { … } /* Assumes priv->status_report_request_mutex is locked */ static int rog_ryujin_execute_cmd(struct rog_ryujin_data *priv, const u8 *cmd, int cmd_length, struct completion *status_completion) { … } static int rog_ryujin_get_status(struct rog_ryujin_data *priv) { … } static int rog_ryujin_read(struct device *dev, enum hwmon_sensor_types type, u32 attr, int channel, long *val) { … } static int rog_ryujin_read_string(struct device *dev, enum hwmon_sensor_types type, u32 attr, int channel, const char **str) { … } static int rog_ryujin_write_fixed_duty(struct rog_ryujin_data *priv, int channel, int val) { … } static int rog_ryujin_write(struct device *dev, enum hwmon_sensor_types type, u32 attr, int channel, long val) { … } static const struct hwmon_ops rog_ryujin_hwmon_ops = …; static const struct hwmon_channel_info *rog_ryujin_info[] = …; static const struct hwmon_chip_info rog_ryujin_chip_info = …; static int rog_ryujin_raw_event(struct hid_device *hdev, struct hid_report *report, u8 *data, int size) { … } static int rog_ryujin_probe(struct hid_device *hdev, const struct hid_device_id *id) { … } static void rog_ryujin_remove(struct hid_device *hdev) { … } static const struct hid_device_id rog_ryujin_table[] = …; MODULE_DEVICE_TABLE(hid, rog_ryujin_table); static struct hid_driver rog_ryujin_driver = …; static int __init rog_ryujin_init(void) { … } static void __exit rog_ryujin_exit(void) { … } /* When compiled into the kernel, initialize after the HID bus */ late_initcall(rog_ryujin_init); module_exit(rog_ryujin_exit); MODULE_LICENSE(…) …; MODULE_AUTHOR(…) …; MODULE_DESCRIPTION(…) …;
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