1STRUCT HSI_PORT(9)       High Speed Synchronous Serial      STRUCT HSI_PORT(9)
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NAME

6       struct_hsi_port - HSI port device
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SYNOPSIS

9       struct hsi_port {
10         struct device device;
11         struct hsi_config tx_cfg;
12         struct hsi_config rx_cfg;
13         unsigned int num;
14         unsigned int shared:1;
15         int claimed;
16         struct mutex lock;
17         int (* async) (struct hsi_msg *msg);
18         int (* setup) (struct hsi_client *cl);
19         int (* flush) (struct hsi_client *cl);
20         int (* start_tx) (struct hsi_client *cl);
21         int (* stop_tx) (struct hsi_client *cl);
22         int (* release) (struct hsi_client *cl);
23         struct atomic_notifier_head n_head;
24       };
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MEMBERS

27       device
28           Driver model representation of the device
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30       tx_cfg
31           Current TX path configuration
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33       rx_cfg
34           Current RX path configuration
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36       num
37           Port number
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39       shared
40           Set when port can be shared by different clients
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42       claimed
43           Reference count of clients which claimed the port
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45       lock
46           Serialize port claim
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48       async
49           Asynchronous transfer callback
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51       setup
52           Callback to set the HSI client configuration
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54       flush
55           Callback to clean the HW state and destroy all pending transfers
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57       start_tx
58           Callback to inform that a client wants to TX data
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60       stop_tx
61           Callback to inform that a client no longer wishes to TX data
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63       release
64           Callback to inform that a client no longer uses the port
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66       n_head
67           Notifier chain for signaling port events to the clients.
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70Kernel Hackers Manual 3.10         June 2019                STRUCT HSI_PORT(9)
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