[Sound-open-firmware] [PATCH 1/2] topology: enable ssp2 for capture feature.

zhigangw zhigang.wu at linux.intel.com
Fri Jun 8 07:00:28 CEST 2018



On 2018年06月08日 12:58, Ranjani Sridharan wrote:
> On Fri, 2018-06-08 at 12:38 +0800, Wu Zhigang wrote:
>> the ssp2 should be tdm8-32bit.
>>
>> Signed-off-by: Wu Zhigang <zhigang.wu at linux.intel.com>
>> ---
>>   topology/sof-apl-tdf8532.m4 | 32 ++++++++++++++++----------------
>>   1 file changed, 16 insertions(+), 16 deletions(-)
>>
>> diff --git a/topology/sof-apl-tdf8532.m4 b/topology/sof-apl-
>> tdf8532.m4
>> index 5554e58..2a63943 100644
>> --- a/topology/sof-apl-tdf8532.m4
>> +++ b/topology/sof-apl-tdf8532.m4
>> @@ -38,19 +38,19 @@ PIPELINE_PCM_DAI_ADD(sof/pipe-volume-playback.m4,
>>   	1, 0, 4, s32le,
>>   	48, 1000, 0, 0, 0, 1, SSP, 4, s32le, 2)
>>   
>> -# Low Latency playback pipeline 2 on PCM 1 using max 2 channels of
>> s16le.
>> +# Low Latency playback pipeline 2 on PCM 1 using max 8 channels of
>> s32le.
>>   # Schedule 48 frames per 1000us deadline on core 0 with priority 0
>> -# Use DMAC 0 channel 1 for PCM audio playback data
>> +# Use DMAC 0 channel 2 for PCM audio playback data
> Zhigang, does this change have any impact? I thought we're ignoring the
> DMAC channel from topology?
thanks for reminding me!
br
~zhigang
>>   PIPELINE_PCM_DAI_ADD(sof/pipe-volume-playback.m4,
>> -	2, 1, 2, s16le,
>> -	48, 1000, 0, 0, 0, 1, SSP, 2, s16le, 2)
>> +	2, 1, 8, s32le,
>> +	48, 1000, 0, 0, 0, 2, SSP, 2, s32le, 2)
>>   
>> -# Low Latency capture pipeline 3 on PCM 1 using max 2 channels of
>> s16le.
>> +# Low Latency capture pipeline 3 on PCM 1 using max 8 channels of
>> s32le.
>>   # Schedule 48 frames per 1000us deadline on core 0 with priority 0
>> -# Use DMAC 0 channel 1 for PCM audio playback data
>> +# Use DMAC 0 channel 3 for PCM audio playback data
> same here?
>>   PIPELINE_PCM_DAI_ADD(sof/pipe-volume-capture.m4,
>> -	3, 1, 2, s16le,
>> -	48, 1000, 0, 0, 0, 1, SSP, 2, s16le, 2)
>> +	3, 1, 8, s32le,
>> +	48, 1000, 0, 0, 0, 3, SSP, 2, s32le, 2)
>>   
>>   # Low Latency playback pipeline 4 on PCM 2 using max 2 channels of
>> s16le.
>>   # Schedule 48 frames per 1000us deadline on core 0 with priority 0
>> @@ -114,17 +114,17 @@ DAI_ADD(sof/pipe-dai-playback.m4,
>>   	48, 1000, 0, 0)
>>   
>>   # playback DAI is SSP2 using 2 periods
>> -# Buffers use s16le format, with 48 frame per 1000us on core 0 with
>> priority 0
>> +# Buffers use s32le format, with 48 frame per 1000us on core 0 with
>> priority 0
>>   DAI_ADD(sof/pipe-dai-playback.m4,
>>   	2, SSP, 2, SSP2-Codec,
>> -	PIPELINE_SOURCE_2, 2, s16le,
>> +	PIPELINE_SOURCE_2, 2, s32le,
>>   	48, 1000, 0, 0)
>>   
>>   # capture DAI is SSP2 using 2 periods
>> -# Buffers use s16le format, with 48 frame per 1000us on core 0 with
>> priority 0
>> +# Buffers use s32le format, with 48 frame per 1000us on core 0 with
>> priority 0
>>   DAI_ADD(sof/pipe-dai-capture.m4,
>>   	3, SSP, 2, SSP2-Codec,
>> -	PIPELINE_SINK_3, 2, s16le,
>> +	PIPELINE_SINK_3, 2, s32le,
>>   	48, 1000, 0, 0)
>>   
>>   # playback DAI is SSP0 using 2 periods
>> @@ -196,11 +196,11 @@ DAI_CONFIG(SSP, 4, 4, SSP4-Codec,
>>   		      SSP_SAMPLE_BITS(SSP, 4, 32)))
>>   
>>   DAI_CONFIG(SSP, 2, 2, SSP2-Codec,
>> -	   SSP_CONFIG(I2S, DAI_CLOCK(mclk, 24576000, codec_mclk_in),
>> -		      DAI_CLOCK(bclk, 1536000, codec_slave),
>> +	   SSP_CONFIG(DSP_B, DAI_CLOCK(mclk, 24576000,
>> codec_mclk_in),
>> +		      DAI_CLOCK(bclk, 12288000, codec_slave),
>>   		      DAI_CLOCK(fsync, 48000, codec_slave),
>> -		      DAI_TDM(2, 16, 3, 3),
>> -		      SSP_SAMPLE_BITS(SSP, 2, 16)))
>> +		      DAI_TDM(2, 32, 255, 255),
>> +		      SSP_SAMPLE_BITS(SSP, 2, 32)))
>>   
>>   DAI_CONFIG(SSP, 0, 0, SSP0-Codec,
>>   	   SSP_CONFIG(I2S, DAI_CLOCK(mclk, 24576000, codec_mclk_in),
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