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