diff options
Diffstat (limited to 'drivers/hid/intel-ish-hid/ishtp/ishtp-dev.h')
| -rw-r--r-- | drivers/hid/intel-ish-hid/ishtp/ishtp-dev.h | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/drivers/hid/intel-ish-hid/ishtp/ishtp-dev.h b/drivers/hid/intel-ish-hid/ishtp/ishtp-dev.h index 32142c7d9a04..181838c3d7ac 100644 --- a/drivers/hid/intel-ish-hid/ishtp/ishtp-dev.h +++ b/drivers/hid/intel-ish-hid/ishtp/ishtp-dev.h @@ -123,11 +123,28 @@ struct ishtp_hw_ops { }; /** + * struct ishtp_driver_data - Driver-specific data for ISHTP devices + * + * This structure holds driver-specific data that can be associated with each + * ISHTP device instance. It allows for the storage of data that is unique to + * a particular driver or hardware variant. + * + * @fw_filename: The firmware filename associated with a specific hardware + * variant of the Intel Integrated Sensor Hub (ISH). This allows + * the driver to load the correct firmware based on the device's + * hardware variant. + */ +struct ishtp_driver_data { + char *fw_filename; +}; + +/** * struct ishtp_device - ISHTP private device struct */ struct ishtp_device { struct device *devc; /* pointer to lowest device */ struct pci_dev *pdev; /* PCI device to get device ids */ + struct ishtp_driver_data *driver_data; /* pointer to driver-specific data */ /* waitq for waiting for suspend response */ wait_queue_head_t suspend_wait; @@ -147,6 +164,17 @@ struct ishtp_device { struct hbm_version version; int transfer_path; /* Choice of transfer path: IPC or DMA */ + /* work structure for scheduling firmware loading tasks */ + struct work_struct work_fw_loader; + /* waitq for waiting for command response from the firmware loader */ + wait_queue_head_t wait_loader_recvd_msg; + /* indicating whether a message from the firmware loader has been received */ + bool fw_loader_received; + /* pointer to a buffer for receiving messages from the firmware loader */ + void *fw_loader_rx_buf; + /* size of the buffer pointed to by fw_loader_rx_buf */ + int fw_loader_rx_size; + /* ishtp device states */ enum ishtp_dev_state dev_state; enum ishtp_hbm_state hbm_state; |