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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=ANSI_X3.4-1968" /><title>Chapter 11. High Speed Synchronous Serial Interface (HSI)</title><meta name="generator" content="DocBook XSL Stylesheets V1.78.1" /><link rel="home" href="index.html" title="Linux Device Drivers" /><link rel="up" href="index.html" title="Linux Device Drivers" /><link rel="prev" href="API-i2c-smbus-xfer.html" title="i2c_smbus_xfer" /><link rel="next" href="API-struct-hsi-config.html" title="struct hsi_config" /></head><body><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center">Chapter 11. High Speed Synchronous Serial Interface (HSI)</th></tr><tr><td width="20%" align="left"><a accesskey="p" href="API-i2c-smbus-xfer.html">Prev</a> </td><th width="60%" align="center"> </th><td width="20%" align="right"> <a accesskey="n" href="API-struct-hsi-config.html">Next</a></td></tr></table><hr /></div><div class="chapter"><div class="titlepage"><div><div><h1 class="title"><a id="hsi"></a>Chapter 11. High Speed Synchronous Serial Interface (HSI)</h1></div></div></div><div class="toc"><p><strong>Table of Contents</strong></p><dl class="toc"><dt><span class="refentrytitle"><a href="API-struct-hsi-config.html"><span class="phrase">struct hsi_config</span></a></span><span class="refpurpose"> —
Configuration for RX/TX HSI modules
</span></dt><dt><span class="refentrytitle"><a href="API-struct-hsi-board-info.html"><span class="phrase">struct hsi_board_info</span></a></span><span class="refpurpose"> —
HSI client board info
</span></dt><dt><span class="refentrytitle"><a href="API-struct-hsi-client.html"><span class="phrase">struct hsi_client</span></a></span><span class="refpurpose"> —
HSI client attached to an HSI port
</span></dt><dt><span class="refentrytitle"><a href="API-struct-hsi-client-driver.html"><span class="phrase">struct hsi_client_driver</span></a></span><span class="refpurpose"> —
Driver associated to an HSI client
</span></dt><dt><span class="refentrytitle"><a href="API-struct-hsi-msg.html"><span class="phrase">struct hsi_msg</span></a></span><span class="refpurpose"> —
HSI message descriptor
</span></dt><dt><span class="refentrytitle"><a href="API-struct-hsi-port.html"><span class="phrase">struct hsi_port</span></a></span><span class="refpurpose"> —
HSI port device
</span></dt><dt><span class="refentrytitle"><a href="API-struct-hsi-controller.html"><span class="phrase">struct hsi_controller</span></a></span><span class="refpurpose"> —
HSI controller device
</span></dt><dt><span class="refentrytitle"><a href="API-hsi-id.html"><span class="phrase">hsi_id</span></a></span><span class="refpurpose"> —
Get HSI controller ID associated to a client
</span></dt><dt><span class="refentrytitle"><a href="API-hsi-port-id.html"><span class="phrase">hsi_port_id</span></a></span><span class="refpurpose"> —
Gets the port number a client is attached to
</span></dt><dt><span class="refentrytitle"><a href="API-hsi-setup.html"><span class="phrase">hsi_setup</span></a></span><span class="refpurpose"> —
Configure the client's port
</span></dt><dt><span class="refentrytitle"><a href="API-hsi-flush.html"><span class="phrase">hsi_flush</span></a></span><span class="refpurpose"> —
Flush all pending transactions on the client's port
</span></dt><dt><span class="refentrytitle"><a href="API-hsi-async-read.html"><span class="phrase">hsi_async_read</span></a></span><span class="refpurpose"> —
Submit a read transfer
</span></dt><dt><span class="refentrytitle"><a href="API-hsi-async-write.html"><span class="phrase">hsi_async_write</span></a></span><span class="refpurpose"> —
Submit a write transfer
</span></dt><dt><span class="refentrytitle"><a href="API-hsi-start-tx.html"><span class="phrase">hsi_start_tx</span></a></span><span class="refpurpose"> —
Signal the port that the client wants to start a TX
</span></dt><dt><span class="refentrytitle"><a href="API-hsi-stop-tx.html"><span class="phrase">hsi_stop_tx</span></a></span><span class="refpurpose"> —
Signal the port that the client no longer wants to transmit
</span></dt><dt><span class="refentrytitle"><a href="API-hsi-unregister-controller.html"><span class="phrase">hsi_unregister_controller</span></a></span><span class="refpurpose"> —
Unregister an HSI controller
</span></dt><dt><span class="refentrytitle"><a href="API-hsi-register-controller.html"><span class="phrase">hsi_register_controller</span></a></span><span class="refpurpose"> —
Register an HSI controller and its ports
</span></dt><dt><span class="refentrytitle"><a href="API-hsi-register-client-driver.html"><span class="phrase">hsi_register_client_driver</span></a></span><span class="refpurpose"> —
Register an HSI client to the HSI bus
</span></dt><dt><span class="refentrytitle"><a href="API-hsi-put-controller.html"><span class="phrase">hsi_put_controller</span></a></span><span class="refpurpose"> —
Free an HSI controller
</span></dt><dt><span class="refentrytitle"><a href="API-hsi-alloc-controller.html"><span class="phrase">hsi_alloc_controller</span></a></span><span class="refpurpose"> —
Allocate an HSI controller and its ports
</span></dt><dt><span class="refentrytitle"><a href="API-hsi-free-msg.html"><span class="phrase">hsi_free_msg</span></a></span><span class="refpurpose"> —
Free an HSI message
</span></dt><dt><span class="refentrytitle"><a href="API-hsi-alloc-msg.html"><span class="phrase">hsi_alloc_msg</span></a></span><span class="refpurpose"> —
Allocate an HSI message
</span></dt><dt><span class="refentrytitle"><a href="API-hsi-async.html"><span class="phrase">hsi_async</span></a></span><span class="refpurpose"> —
Submit an HSI transfer to the controller
</span></dt><dt><span class="refentrytitle"><a href="API-hsi-claim-port.html"><span class="phrase">hsi_claim_port</span></a></span><span class="refpurpose"> —
Claim the HSI client's port
</span></dt><dt><span class="refentrytitle"><a href="API-hsi-release-port.html"><span class="phrase">hsi_release_port</span></a></span><span class="refpurpose"> —
Release the HSI client's port
</span></dt><dt><span class="refentrytitle"><a href="API-hsi-register-port-event.html"><span class="phrase">hsi_register_port_event</span></a></span><span class="refpurpose"> —
Register a client to receive port events
</span></dt><dt><span class="refentrytitle"><a href="API-hsi-unregister-port-event.html"><span class="phrase">hsi_unregister_port_event</span></a></span><span class="refpurpose"> —
Stop receiving port events for a client
</span></dt><dt><span class="refentrytitle"><a href="API-hsi-event.html"><span class="phrase">hsi_event</span></a></span><span class="refpurpose"> —
Notifies clients about port events
</span></dt></dl></div><p>
High Speed Synchronous Serial Interface (HSI) is a
serial interface mainly used for connecting application
engines (APE) with cellular modem engines (CMT) in cellular
handsets.
HSI provides multiplexing for up to 16 logical channels,
low-latency and full duplex communication.
</p></div><div class="navfooter"><hr /><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="API-i2c-smbus-xfer.html">Prev</a> </td><td width="20%" align="center"> </td><td width="40%" align="right"> <a accesskey="n" href="API-struct-hsi-config.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top"><span class="phrase">i2c_smbus_xfer</span> </td><td width="20%" align="center"><a accesskey="h" href="index.html">Home</a></td><td width="40%" align="right" valign="top"> <span class="phrase">struct hsi_config</span></td></tr></table></div></body></html>
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