STRUCT QUICKI2C_DEVICE(9)

🌸 NAME 🌸

okay bestie, welcome to the struct quicki2c_device(9) page in the Kernel API Manual — this is the THC QuickI2C device struct, and it’s giving “one struct holding all the QuickI2C device state” energy. 💖

✨ SYNOPSIS ✨

no cap, here’s the whole struct, every field exactly as it is:

struct quicki2c_device {
    struct device *dev;
    struct pci_dev *pdev;
    struct thc_device *thc_hw;
    struct hid_device *hid_dev;
    struct acpi_device *acpi_dev;
    const struct quicki2c_ddata *ddata;
    enum quicki2c_dev_state state;
    void __iomem *mem_addr;
    struct hidi2c_dev_descriptor dev_desc;
    struct thc_i2c_config i2c_config;
    u16 hid_desc_addr;
    u32 active_ltr_val;
    u32 low_power_ltr_val;
    u8 *report_descriptor;
    u8 *input_buf;
    u8 *report_buf;
    size_t report_len;
    wait_queue_head_t reset_ack_wq;
    bool reset_ack;
    u32 i2c_max_frame_size_enable;
    u32 i2c_max_frame_size;
    u32 i2c_int_delay_enable;
    u32 i2c_int_delay;
    struct work_struct recover_work;
    bool recovery_disabled;
};

💖 Members 💖

okay so this is the part where we meet every single member, and yes we’re doing all of them — no skipping, bestie. 🫶

• dev — points to the kernel device. 💻
• pdev — points to the PCI device.
• thc_hw — points to the THC device.
• hid_dev — points to the HID device.
• acpi_dev — points to the ACPI device.
• ddata — points to the QuickI2C platform specific driver data.
• state — the THC I2C device state.
• mem_addr — the MMIO memory address.
• dev_desc — device descriptor for the HIDI2C protocol.
• i2c_config — I2C bus configuration.
• hid_desc_addr — register address for retrieve HID device descriptor. yes, that’s the wording 😭
• active_ltr_val — THC active LTR value.
• low_power_ltr_val — THC low power LTR value.
• report_descriptor — stores a copy of the device report descriptor. 📋
• input_buf — stores a copy of the latest input report data.
• report_buf — stores a copy of the latest input/output report packet from set/get feature.
• report_len — the length of the input/output report packet.
• reset_ack_wq — workqueue for waiting for a reset response from the device. ⏳
• reset_ack — indicates whether a reset response was received or not.
• i2c_max_frame_size_enable — indicates whether the max frame size feature is enabled or not.
• i2c_max_frame_size — max RX frame size (unit in Bytes).
• i2c_int_delay_enable — indicates whether the interrupt delay feature is enabled or not.
• i2c_int_delay — interrupt detection delay value (unit in 10 us).
• recover_work — work structure for recovery. 🛠️
• recovery_disabled — whether recovery work is blocked during teardown.

🔥 SEE ALSO 🔥

go be nosy, bestie — the references are right here:

• kernel file: ./drivers/hid/intel-thc-hid/intel-quicki2c/quicki2c-dev.h
• struct quicki2c_subip_acpi_parameter(9)
• struct quicki2c_subip_acpi_config(9)
• struct quicki2c_ddata(9)

mwah 💋 — this cutie comes from the source/version spot ./drivers/hid/intel-thc-hid/in..., dated October 2026, and it’s still struct quicki2c_device(9). periodt. 🎀