FreeBSD kernel sound device code
audio_dai.h
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1/*-
2 * Copyright (c) 2019 Oleksandr Tymoshenko <gonzo@FreeBSD.org>
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
14 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
15 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
16 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
17 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
18 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
19 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
20 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
21 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
22 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
23 *
24 * $FreeBSD$
25 */
26
27#ifndef __DAI_H__
28#define __DAI_H__
29
30#define AUDIO_DAI_FORMAT_I2S 0
31#define AUDIO_DAI_FORMAT_RJ 1
32#define AUDIO_DAI_FORMAT_LJ 2
33#define AUDIO_DAI_FORMAT_DSPA 3
34#define AUDIO_DAI_FORMAT_DSPB 4
35#define AUDIO_DAI_FORMAT_AC97 5
36#define AUDIO_DAI_FORMAT_PDM 6
37
38/*
39 * Polarity: Normal/Inverted BCLK/Frame
40 */
41#define AUDIO_DAI_POLARITY_NB_NF 0
42#define AUDIO_DAI_POLARITY_NB_IF 1
43#define AUDIO_DAI_POLARITY_IB_NF 2
44#define AUDIO_DAI_POLARITY_IB_IF 3
45#define AUDIO_DAI_POLARITY_INVERTED_FRAME(n) ((n) & 0x01)
46#define AUDIO_DAI_POLARITY_INVERTED_BCLK(n) ((n) & 0x2)
47
48#define AUDIO_DAI_CLOCK_CBM_CFM 0
49#define AUDIO_DAI_CLOCK_CBS_CFM 1
50#define AUDIO_DAI_CLOCK_CBM_CFS 2
51#define AUDIO_DAI_CLOCK_CBS_CFS 3
52
53#define AUDIO_DAI_CLOCK_IN 0
54#define AUDIO_DAI_CLOCK_OUT 1
55
56#define AUDIO_DAI_JACK_HP 0
57#define AUDIO_DAI_JACK_MIC 1
58
59/*
60 * Signal to audio_soc that chn_intr required
61 * for either recording or playback
62 */
63#define AUDIO_DAI_REC_INTR (1 << 1)
64#define AUDIO_DAI_PLAY_INTR (1 << 0)
65
66#define AUDIO_DAI_FORMAT(fmt, pol, clk) (((fmt) << 16) | ((pol) << 8) | (clk))
67#define AUDIO_DAI_FORMAT_FORMAT(format) (((format) >> 16) & 0xff)
68#define AUDIO_DAI_FORMAT_POLARITY(format) (((format) >> 8) & 0xff)
69#define AUDIO_DAI_FORMAT_CLOCK(format) (((format) >> 0) & 0xff)
70
71
72#endif /* __DAI_H__ */