include/sound/sof/dai.h

   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 */
  48 enum 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 */
  59 struct 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