Linux kernel mirror (for testing)
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1/* SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause) */
2/*
3 * This file is provided under a dual BSD/GPLv2 license. When using or
4 * redistributing this file, you may do so under either license.
5 *
6 * Copyright(c) 2018 Intel Corporation. All rights reserved.
7 */
8
9#ifndef __INCLUDE_SOUND_SOF_DAI_H__
10#define __INCLUDE_SOUND_SOF_DAI_H__
11
12#include <sound/sof/header.h>
13#include <sound/sof/dai-intel.h>
14#include <sound/sof/dai-imx.h>
15
16/*
17 * DAI Configuration.
18 *
19 * Each different DAI type will have it's own structure and IPC cmd.
20 */
21
22#define SOF_DAI_FMT_I2S 1 /**< I2S mode */
23#define SOF_DAI_FMT_RIGHT_J 2 /**< Right Justified mode */
24#define SOF_DAI_FMT_LEFT_J 3 /**< Left Justified mode */
25#define SOF_DAI_FMT_DSP_A 4 /**< L data MSB after FRM LRC */
26#define SOF_DAI_FMT_DSP_B 5 /**< L data MSB during FRM LRC */
27#define SOF_DAI_FMT_PDM 6 /**< Pulse density modulation */
28
29#define SOF_DAI_FMT_CONT (1 << 4) /**< continuous clock */
30#define SOF_DAI_FMT_GATED (0 << 4) /**< clock is gated */
31
32#define SOF_DAI_FMT_NB_NF (0 << 8) /**< normal bit clock + frame */
33#define SOF_DAI_FMT_NB_IF (2 << 8) /**< normal BCLK + inv FRM */
34#define SOF_DAI_FMT_IB_NF (3 << 8) /**< invert BCLK + nor FRM */
35#define SOF_DAI_FMT_IB_IF (4 << 8) /**< invert BCLK + FRM */
36
37#define SOF_DAI_FMT_CBM_CFM (0 << 12) /**< codec clk & FRM master */
38#define SOF_DAI_FMT_CBS_CFM (2 << 12) /**< codec clk slave & FRM master */
39#define SOF_DAI_FMT_CBM_CFS (3 << 12) /**< codec clk master & frame slave */
40#define SOF_DAI_FMT_CBS_CFS (4 << 12) /**< codec clk & FRM slave */
41
42#define SOF_DAI_FMT_FORMAT_MASK 0x000f
43#define SOF_DAI_FMT_CLOCK_MASK 0x00f0
44#define SOF_DAI_FMT_INV_MASK 0x0f00
45#define SOF_DAI_FMT_MASTER_MASK 0xf000
46
47/** \brief Types of DAI */
48enum sof_ipc_dai_type {
49 SOF_DAI_INTEL_NONE = 0, /**< None */
50 SOF_DAI_INTEL_SSP, /**< Intel SSP */
51 SOF_DAI_INTEL_DMIC, /**< Intel DMIC */
52 SOF_DAI_INTEL_HDA, /**< Intel HD/A */
53 SOF_DAI_INTEL_ALH, /**< Intel ALH */
54 SOF_DAI_IMX_SAI, /**< i.MX SAI */
55 SOF_DAI_IMX_ESAI, /**< i.MX ESAI */
56};
57
58/* general purpose DAI configuration */
59struct sof_ipc_dai_config {
60 struct sof_ipc_cmd_hdr hdr;
61 uint32_t type; /**< DAI type - enum sof_ipc_dai_type */
62 uint32_t dai_index; /**< index of this type dai */
63
64 /* physical protocol and clocking */
65 uint16_t format; /**< SOF_DAI_FMT_ */
66 uint16_t reserved16; /**< alignment */
67
68 /* reserved for future use */
69 uint32_t reserved[8];
70
71 /* HW specific data */
72 union {
73 struct sof_ipc_dai_ssp_params ssp;
74 struct sof_ipc_dai_dmic_params dmic;
75 struct sof_ipc_dai_hda_params hda;
76 struct sof_ipc_dai_alh_params alh;
77 struct sof_ipc_dai_esai_params esai;
78 struct sof_ipc_dai_sai_params sai;
79 };
80} __packed;
81
82#endif