STRUCT HSI_PORT(9) High Speed Synchronous Serial STRUCT HSI_PORT(9) NAME struct_hsi_port - HSI port device SYNOPSIS struct hsi_port { struct device device; struct hsi_config tx_cfg; struct hsi_config rx_cfg; unsigned int num; unsigned int shared:1; int claimed; struct mutex lock; int (* async) (struct hsi_msg *msg); int (* setup) (struct hsi_client *cl); int (* flush) (struct hsi_client *cl); int (* start_tx) (struct hsi_client *cl); int (* stop_tx) (struct hsi_client *cl); int (* release) (struct hsi_client *cl); struct atomic_notifier_head n_head; }; MEMBERS device Driver model representation of the device tx_cfg Current TX path configuration rx_cfg Current RX path configuration num Port number shared Set when port can be shared by different clients claimed Reference count of clients which claimed the port lock Serialize port claim async Asynchronous transfer callback setup Callback to set the HSI client configuration flush Callback to clean the HW state and destroy all pending transfers start_tx Callback to inform that a client wants to TX data stop_tx Callback to inform that a client no longer wishes to TX data release Callback to inform that a client no longer uses the port n_head Notifier chain for signaling port events to the clients. COPYRIGHT Kernel Hackers Manual 3.11 November 2013 STRUCT HSI_PORT(9)[top]
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