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topology: add comments to sof-apl-nocodec m4 file 

This makes it easier to look up the macro definitions.

Signed-off-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
This commit is contained in:
Ranjani Sridharan 2018-07-23 15:57:14 -07:00
parent 2187702ee2
commit 27d3e14bdf
1 changed files with 21 additions and 0 deletions
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21
topology/sof-apl-nocodec.m4
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@ -36,6 +36,11 @@ include(`platform/intel/dmic.m4')
# PCM6 <---- volume <----- DMIC6 (DMIC01)
#
dnl PIPELINE_PCM_DAI_ADD(pipeline,
dnl pipe id, pcm, max channels, format,
dnl frames, deadline, priority, core,
dnl dai type, dai_index, dai format, periods)
# Low Latency playback pipeline 1 on PCM 0 using max 2 channels of s16le.
# Schedule 48 frames per 1000us deadline on core 0 with priority 0
PIPELINE_PCM_DAI_ADD(sof/pipe-volume-playback.m4,
@ -119,6 +124,11 @@ PIPELINE_PCM_DAI_ADD(sof/pipe-passthrough-capture.m4,
# DAIs configuration
#
dnl DAI_ADD(pipeline,
dnl pipe id, dai type, dai_index, dai_be,
dnl buffer, periods, format,
dnl frames, deadline, priority, core)
# playback DAI is SSP0 using 2 periods
# Buffers use s16le format, with 48 frame per 1000us on core 0 with priority 0
DAI_ADD(sof/pipe-dai-playback.m4,
@ -211,23 +221,28 @@ DAI_ADD(sof/pipe-dai-capture.m4,
48, 1000, 0, 0)
# PCM Low Latency, id 0
dnl PCM_DUPLEX_ADD(name, pipeline, pcm_id, dai_id, playback, capture)
PCM_DUPLEX_ADD(Port0, 0, 0, 0, PIPELINE_PCM_1, PIPELINE_PCM_2)
PCM_DUPLEX_ADD(Port1, 1, 1, 1, PIPELINE_PCM_3, PIPELINE_PCM_4)
PCM_DUPLEX_ADD(Port2, 2, 2, 2, PIPELINE_PCM_5, PIPELINE_PCM_6)
PCM_DUPLEX_ADD(Port3, 3, 3, 3, PIPELINE_PCM_7, PIPELINE_PCM_8)
PCM_DUPLEX_ADD(Port4, 4, 4, 4, PIPELINE_PCM_9, PIPELINE_PCM_10)
PCM_DUPLEX_ADD(Port5, 5, 5, 5, PIPELINE_PCM_11, PIPELINE_PCM_12)
dnl PCM_CAPTURE_ADD(name, pipeline, pcm_id, dai_id, capture)
PCM_CAPTURE_ADD(DMIC01, 6, 6, 6, PIPELINE_PCM_13)
#
# BE configurations - overrides config in ACPI if present
#
dnl DAI_CONFIG(type, dai_index, link_id, name, ssp_config/dmic_config)
DAI_CONFIG(SSP, 0, 0, NoCodec-0,
dnl SSP_CONFIG(format, mclk, bclk, fsync, tdm, ssp_config_data)
SSP_CONFIG(I2S, SSP_CLOCK(mclk, 24576000, codec_mclk_in),
SSP_CLOCK(bclk, 1536000, codec_slave),
SSP_CLOCK(fsync, 48000, codec_slave),
SSP_TDM(2, 16, 3, 3),
dnl SSP_CONFIG_DATA(type, dai_index, valid bits, mclk_id)
SSP_CONFIG_DATA(SSP, 0, 16)))
DAI_CONFIG(SSP, 1, 1, NoCodec-1,
@ -266,7 +281,13 @@ DAI_CONFIG(SSP, 5, 5, NoCodec-5,
SSP_CONFIG_DATA(SSP, 5, 16)))
DAI_CONFIG(DMIC, 0, 6, NoCodec-6,
dnl DMIC_CONFIG(driver_version, clk_min, clk_mac, duty_min, duty_max,
dnl sample_rate,
dnl fifo word length, type, dai_index, pdm controller config)
DMIC_CONFIG(1, 500000, 4800000, 40, 60, 48000,
dnl DMIC_WORD_LENGTH(frame_format)
DMIC_WORD_LENGTH(s32le), DMIC, 0,
dnl PDM_CONFIG(type, dai_index, num pdm active, pdm tuples list)
dnl STEREO_PDM0 is a pre-defined pdm config for stereo capture
PDM_CONFIG(DMIC, 0, STEREO_PDM0)))