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
15 /*
16 * DAI Configuration.
17 *
18 * Each different DAI type will have it's own structure and IPC cmd.
19 */
20
21 #define SOF_DAI_FMT_I2S 1 /**< I2S mode */
22 #define SOF_DAI_FMT_RIGHT_J 2 /**< Right Justified mode */
23 #define SOF_DAI_FMT_LEFT_J 3 /**< Left Justified mode */
24 #define SOF_DAI_FMT_DSP_A 4 /**< L data MSB after FRM LRC */
25 #define SOF_DAI_FMT_DSP_B 5 /**< L data MSB during FRM LRC */
26 #define SOF_DAI_FMT_PDM 6 /**< Pulse density modulation */
27
28 #define SOF_DAI_FMT_CONT (1 << 4) /**< continuous clock */
29 #define SOF_DAI_FMT_GATED (0 << 4) /**< clock is gated */
30
31 #define SOF_DAI_FMT_NB_NF (0 << 8) /**< normal bit clock + frame */
32 #define SOF_DAI_FMT_NB_IF (2 << 8) /**< normal BCLK + inv FRM */
33 #define SOF_DAI_FMT_IB_NF (3 << 8) /**< invert BCLK + nor FRM */
34 #define SOF_DAI_FMT_IB_IF (4 << 8) /**< invert BCLK + FRM */
35
36 #define SOF_DAI_FMT_CBM_CFM (0 << 12) /**< codec clk & FRM master */
37 #define SOF_DAI_FMT_CBS_CFM (2 << 12) /**< codec clk slave & FRM master */
38 #define SOF_DAI_FMT_CBM_CFS (3 << 12) /**< codec clk master & frame slave */
39 #define SOF_DAI_FMT_CBS_CFS (4 << 12) /**< codec clk & FRM slave */
40
41 #define SOF_DAI_FMT_FORMAT_MASK 0x000f
42 #define SOF_DAI_FMT_CLOCK_MASK 0x00f0
43 #define SOF_DAI_FMT_INV_MASK 0x0f00
44 #define SOF_DAI_FMT_MASTER_MASK 0xf000
45
46 /** \brief Types of DAI */
47 enum sof_ipc_dai_type {
48 SOF_DAI_INTEL_NONE = 0, /**< None */
49 SOF_DAI_INTEL_SSP, /**< Intel SSP */
50 SOF_DAI_INTEL_DMIC, /**< Intel DMIC */
51 SOF_DAI_INTEL_HDA, /**< Intel HD/A */
52 SOF_DAI_INTEL_ALH, /**< Intel ALH */
53 SOF_DAI_IMX_SAI, /**< i.MX SAI */
54 SOF_DAI_IMX_ESAI, /**< i.MX ESAI */
55 };
56
57 /* general purpose DAI configuration */
58 struct sof_ipc_dai_config {
59 struct sof_ipc_cmd_hdr hdr;
60 uint32_t type; /**< DAI type - enum sof_ipc_dai_type */
61 uint32_t dai_index; /**< index of this type dai */
62
63 /* physical protocol and clocking */
64 uint16_t format; /**< SOF_DAI_FMT_ */
65 uint16_t reserved16; /**< alignment */
66
67 /* reserved for future use */
68 uint32_t reserved[8];
69
70 /* HW specific data */
71 union {
72 struct sof_ipc_dai_ssp_params ssp;
73 struct sof_ipc_dai_dmic_params dmic;
74 struct sof_ipc_dai_hda_params hda;
75 struct sof_ipc_dai_alh_params alh;
76 };
77 } __packed;
78
79 #endif