root/include/sound/sof/stream.h

INCLUDED FROM

   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_STREAM_H__
  10 #define __INCLUDE_SOUND_SOF_STREAM_H__
  11 
  12 #include <sound/sof/header.h>
  13 
  14 /*
  15  * Stream configuration.
  16  */
  17 
  18 #define SOF_IPC_MAX_CHANNELS                    8
  19 
  20 /* common sample rates for use in masks */
  21 #define SOF_RATE_8000           (1 <<  0) /**< 8000Hz  */
  22 #define SOF_RATE_11025          (1 <<  1) /**< 11025Hz */
  23 #define SOF_RATE_12000          (1 <<  2) /**< 12000Hz */
  24 #define SOF_RATE_16000          (1 <<  3) /**< 16000Hz */
  25 #define SOF_RATE_22050          (1 <<  4) /**< 22050Hz */
  26 #define SOF_RATE_24000          (1 <<  5) /**< 24000Hz */
  27 #define SOF_RATE_32000          (1 <<  6) /**< 32000Hz */
  28 #define SOF_RATE_44100          (1 <<  7) /**< 44100Hz */
  29 #define SOF_RATE_48000          (1 <<  8) /**< 48000Hz */
  30 #define SOF_RATE_64000          (1 <<  9) /**< 64000Hz */
  31 #define SOF_RATE_88200          (1 << 10) /**< 88200Hz */
  32 #define SOF_RATE_96000          (1 << 11) /**< 96000Hz */
  33 #define SOF_RATE_176400         (1 << 12) /**< 176400Hz */
  34 #define SOF_RATE_192000         (1 << 13) /**< 192000Hz */
  35 
  36 /* continuous and non-standard rates for flexibility */
  37 #define SOF_RATE_CONTINUOUS     (1 << 30)  /**< range */
  38 #define SOF_RATE_KNOT           (1 << 31)  /**< non-continuous */
  39 
  40 /* generic PCM flags for runtime settings */
  41 #define SOF_PCM_FLAG_XRUN_STOP  (1 << 0) /**< Stop on any XRUN */
  42 
  43 /* stream PCM frame format */
  44 enum sof_ipc_frame {
  45         SOF_IPC_FRAME_S16_LE = 0,
  46         SOF_IPC_FRAME_S24_4LE,
  47         SOF_IPC_FRAME_S32_LE,
  48         SOF_IPC_FRAME_FLOAT,
  49         /* other formats here */
  50 };
  51 
  52 /* stream buffer format */
  53 enum sof_ipc_buffer_format {
  54         SOF_IPC_BUFFER_INTERLEAVED,
  55         SOF_IPC_BUFFER_NONINTERLEAVED,
  56         /* other formats here */
  57 };
  58 
  59 /* stream direction */
  60 enum sof_ipc_stream_direction {
  61         SOF_IPC_STREAM_PLAYBACK = 0,
  62         SOF_IPC_STREAM_CAPTURE,
  63 };
  64 
  65 /* stream ring info */
  66 struct sof_ipc_host_buffer {
  67         struct sof_ipc_hdr hdr;
  68         uint32_t phy_addr;
  69         uint32_t pages;
  70         uint32_t size;
  71         uint32_t reserved[3];
  72 } __packed;
  73 
  74 struct sof_ipc_stream_params {
  75         struct sof_ipc_hdr hdr;
  76         struct sof_ipc_host_buffer buffer;
  77         uint32_t direction;     /**< enum sof_ipc_stream_direction */
  78         uint32_t frame_fmt;     /**< enum sof_ipc_frame */
  79         uint32_t buffer_fmt;    /**< enum sof_ipc_buffer_format */
  80         uint32_t rate;
  81         uint16_t stream_tag;
  82         uint16_t channels;
  83         uint16_t sample_valid_bytes;
  84         uint16_t sample_container_bytes;
  85 
  86         /* for notifying host period has completed - 0 means no period IRQ */
  87         uint32_t host_period_bytes;
  88 
  89         uint32_t reserved[2];
  90         uint16_t chmap[SOF_IPC_MAX_CHANNELS];   /**< channel map - SOF_CHMAP_ */
  91 } __packed;
  92 
  93 /* PCM params info - SOF_IPC_STREAM_PCM_PARAMS */
  94 struct sof_ipc_pcm_params {
  95         struct sof_ipc_cmd_hdr hdr;
  96         uint32_t comp_id;
  97         uint32_t flags;         /**< generic PCM flags - SOF_PCM_FLAG_ */
  98         uint32_t reserved[2];
  99         struct sof_ipc_stream_params params;
 100 }  __packed;
 101 
 102 /* PCM params info reply - SOF_IPC_STREAM_PCM_PARAMS_REPLY */
 103 struct sof_ipc_pcm_params_reply {
 104         struct sof_ipc_reply rhdr;
 105         uint32_t comp_id;
 106         uint32_t posn_offset;
 107 } __packed;
 108 
 109 /* free stream - SOF_IPC_STREAM_PCM_PARAMS */
 110 struct sof_ipc_stream {
 111         struct sof_ipc_cmd_hdr hdr;
 112         uint32_t comp_id;
 113 } __packed;
 114 
 115 /* flags indicating which time stamps are in sync with each other */
 116 #define SOF_TIME_HOST_SYNC      (1 << 0)
 117 #define SOF_TIME_DAI_SYNC       (1 << 1)
 118 #define SOF_TIME_WALL_SYNC      (1 << 2)
 119 #define SOF_TIME_STAMP_SYNC     (1 << 3)
 120 
 121 /* flags indicating which time stamps are valid */
 122 #define SOF_TIME_HOST_VALID     (1 << 8)
 123 #define SOF_TIME_DAI_VALID      (1 << 9)
 124 #define SOF_TIME_WALL_VALID     (1 << 10)
 125 #define SOF_TIME_STAMP_VALID    (1 << 11)
 126 
 127 /* flags indicating time stamps are 64bit else 3use low 32bit */
 128 #define SOF_TIME_HOST_64        (1 << 16)
 129 #define SOF_TIME_DAI_64         (1 << 17)
 130 #define SOF_TIME_WALL_64        (1 << 18)
 131 #define SOF_TIME_STAMP_64       (1 << 19)
 132 
 133 struct sof_ipc_stream_posn {
 134         struct sof_ipc_reply rhdr;
 135         uint32_t comp_id;       /**< host component ID */
 136         uint32_t flags;         /**< SOF_TIME_ */
 137         uint32_t wallclock_hz;  /**< frequency of wallclock in Hz */
 138         uint32_t timestamp_ns;  /**< resolution of timestamp in ns */
 139         uint64_t host_posn;     /**< host DMA position in bytes */
 140         uint64_t dai_posn;      /**< DAI DMA position in bytes */
 141         uint64_t comp_posn;     /**< comp position in bytes */
 142         uint64_t wallclock;     /**< audio wall clock */
 143         uint64_t timestamp;     /**< system time stamp */
 144         uint32_t xrun_comp_id;  /**< comp ID of XRUN component */
 145         int32_t xrun_size;      /**< XRUN size in bytes */
 146 }  __packed;
 147 
 148 #endif