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 | 45 |
1 files changed, 44 insertions, 1 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..ec9f6e87aaf2 100644 --- a/drivers/hid/intel-ish-hid/ishtp/ishtp-dev.h +++ b/drivers/hid/intel-ish-hid/ishtp/ishtp-dev.h @@ -57,7 +57,6 @@ enum ishtp_dev_state { ISHTP_DEV_POWER_DOWN, ISHTP_DEV_POWER_UP }; -const char *ishtp_dev_state_str(int state); struct ishtp_cl; @@ -123,11 +122,37 @@ 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_generation: The generation name 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. For example, "lnlm" for the Lunar Lake-M + * platform. The generation name must not exceed 8 characters + * in length. + */ +struct ishtp_driver_data { + char *fw_generation; +}; + +struct ish_version { + u16 major; + u16 minor; + u16 hotfix; + u16 build; +}; + +/** * 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 +172,17 @@ 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; @@ -206,12 +242,19 @@ struct ishtp_device { /* Dump to trace buffers if enabled*/ ishtp_print_log print_log; + /* Base version of Intel's released firmware */ + struct ish_version base_ver; + /* Vendor-customized project version */ + struct ish_version prj_ver; + /* Debug stats */ unsigned int ipc_rx_cnt; unsigned long long ipc_rx_bytes_cnt; unsigned int ipc_tx_cnt; unsigned long long ipc_tx_bytes_cnt; + /* Time of the last clock sync */ + unsigned long prev_sync; const struct ishtp_hw_ops *ops; size_t mtu; uint32_t ishtp_msg_hdr; |