LXR linux/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
  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 */
  47enum 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_SOUNDWIRE,        /**< Intel SoundWire */
  53};
  54
  55/* general purpose DAI configuration */
  56struct sof_ipc_dai_config {
  57        struct sof_ipc_cmd_hdr hdr;
  58        uint32_t type;          /**< DAI type - enum sof_ipc_dai_type */
  59        uint32_t dai_index;     /**< index of this type dai */
  60
  61        /* physical protocol and clocking */
  62        uint16_t format;        /**< SOF_DAI_FMT_ */
  63        uint16_t reserved16;    /**< alignment */
  64
  65        /* reserved for future use */
  66        uint32_t reserved[8];
  67
  68        /* HW specific data */
  69        union {
  70                struct sof_ipc_dai_ssp_params ssp;
  71                struct sof_ipc_dai_dmic_params dmic;
  72                struct sof_ipc_dai_hda_params hda;
  73        };
  74} __packed;
  75
  76#endif
  77