FreeBSD kernel sound device code
audio_dai.h
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/*-
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* Copyright (c) 2019 Oleksandr Tymoshenko <gonzo@FreeBSD.org>
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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 ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#ifndef __DAI_H__
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#define __DAI_H__
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#define AUDIO_DAI_FORMAT_I2S 0
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#define AUDIO_DAI_FORMAT_RJ 1
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#define AUDIO_DAI_FORMAT_LJ 2
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#define AUDIO_DAI_FORMAT_DSPA 3
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#define AUDIO_DAI_FORMAT_DSPB 4
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#define AUDIO_DAI_FORMAT_AC97 5
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#define AUDIO_DAI_FORMAT_PDM 6
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/*
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* Polarity: Normal/Inverted BCLK/Frame
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*/
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#define AUDIO_DAI_POLARITY_NB_NF 0
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#define AUDIO_DAI_POLARITY_NB_IF 1
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#define AUDIO_DAI_POLARITY_IB_NF 2
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#define AUDIO_DAI_POLARITY_IB_IF 3
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#define AUDIO_DAI_POLARITY_INVERTED_FRAME(n) ((n) & 0x01)
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#define AUDIO_DAI_POLARITY_INVERTED_BCLK(n) ((n) & 0x2)
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#define AUDIO_DAI_CLOCK_CBM_CFM 0
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#define AUDIO_DAI_CLOCK_CBS_CFM 1
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#define AUDIO_DAI_CLOCK_CBM_CFS 2
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#define AUDIO_DAI_CLOCK_CBS_CFS 3
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#define AUDIO_DAI_CLOCK_IN 0
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#define AUDIO_DAI_CLOCK_OUT 1
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#define AUDIO_DAI_JACK_HP 0
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#define AUDIO_DAI_JACK_MIC 1
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/*
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* Signal to audio_soc that chn_intr required
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* for either recording or playback
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*/
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#define AUDIO_DAI_REC_INTR (1 << 1)
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#define AUDIO_DAI_PLAY_INTR (1 << 0)
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#define AUDIO_DAI_FORMAT(fmt, pol, clk) (((fmt) << 16) | ((pol) << 8) | (clk))
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#define AUDIO_DAI_FORMAT_FORMAT(format) (((format) >> 16) & 0xff)
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#define AUDIO_DAI_FORMAT_POLARITY(format) (((format) >> 8) & 0xff)
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#define AUDIO_DAI_FORMAT_CLOCK(format) (((format) >> 0) & 0xff)
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#endif
/* __DAI_H__ */
dev
sound
fdt
audio_dai.h
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