FreeBSD kernel sound device code
chip.h
Go to the documentation of this file.
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/*-
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* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
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*
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* Copyright (c) 1999 Seigo Tanimura
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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/*
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* These are the function codes assigned to the children of
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* sound cards.
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*/
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enum
{
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SCF_PCM
,
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SCF_MIDI
,
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SCF_SYNTH
,
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};
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/*
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* This is the device information struct, used by
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* a bridge device to pass the device function code
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* to the children.
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*/
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struct
sndcard_func
{
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int
func
;
/* The function code. */
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void
*
varinfo
;
/* Bridge-specific information. */
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};
SCF_SYNTH
@ SCF_SYNTH
Definition:
chip.h:38
SCF_PCM
@ SCF_PCM
Definition:
chip.h:36
SCF_MIDI
@ SCF_MIDI
Definition:
chip.h:37
sndcard_func
Definition:
chip.h:46
sndcard_func::varinfo
void * varinfo
Definition:
chip.h:48
sndcard_func::func
int func
Definition:
chip.h:47
dev
sound
chip.h
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