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41 lines
905 B
C
41 lines
905 B
C
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/*
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* \brief Audio library interface
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* \author Josef Soentgen
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* \date 2014-12-27
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*
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* This header declares the private Audio namespace. It contains
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* functions called by the driver frontend that are implemented
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* by the driver library.
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*/
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/*
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* Copyright (C) 2014 Genode Labs GmbH
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*
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* This file is part of the Genode OS framework, which is distributed
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* under the terms of the GNU General Public License version 2.
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*/
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#ifndef _AUDIO__AUDIO_H_
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#define _AUDIO__AUDIO_H_
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#include <os/server.h>
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/*****************************
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** private Audio namespace **
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*****************************/
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namespace Audio {
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enum Channel_number { LEFT, RIGHT, MAX_CHANNELS, INVALID = MAX_CHANNELS };
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void init_driver(Server::Entrypoint &ep);
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bool driver_active();
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void dma_notifier(Genode::Signal_context_capability cap);
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int play(short *data, Genode::size_t size);
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}
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#endif /* _AUDIO__AUDIO_H_ */
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