126 lines
3.9 KiB
Plaintext
126 lines
3.9 KiB
Plaintext
# Low Latency Passthrough with volume Pipeline and PCM
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#
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# Pipeline Endpoints for connection are :-
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#
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# host PCM_P --> B0 --> EQ_IIR 0 --> B1 --> EQ_FIR 0 --> B2 --> Volume 0 --> B3 --> sink DAI0
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# Include topology builder
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include(`utils.m4')
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include(`buffer.m4')
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include(`pcm.m4')
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include(`pga.m4')
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include(`dai.m4')
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include(`mixercontrol.m4')
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include(`bytecontrol.m4')
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include(`pipeline.m4')
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include(`eq_iir.m4')
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include(`eq_fir.m4')
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#
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# Controls
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#
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# Volume Mixer control with max value of 32
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C_CONTROLMIXER(Master Playback Volume, PIPELINE_ID,
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CONTROLMIXER_OPS(volsw, 256 binds the mixer control to volume get/put handlers, 256, 256),
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CONTROLMIXER_MAX(, 32),
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false,
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CONTROLMIXER_TLV(TLV 32 steps from -90dB to +6dB for 3dB, vtlv_m90s3),
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Channel register and shift for Front Left/Right,
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LIST(` ', KCONTROL_CHANNEL(FL, 1, 0), KCONTROL_CHANNEL(FR, 1, 1)))
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# EQ initial parameters, in this case flat response
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CONTROLBYTES_PRIV(EQIIR_priv,
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` bytes "0x38,0x00,0x00,0x00,0x02,0x00,0x00,0x00,'
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` 0x01,0x00,0x00,0x00,0x00,0x00,0x00,0x00,'
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` 0x00,0x00,0x00,0x00,0x01,0x00,0x00,0x00,'
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` 0x01,0x00,0x00,0x00,0x00,0x00,0x00,0x00,'
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` 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,'
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` 0x00,0x00,0x00,0x00,0x9e,0x73,0x13,0x20,'
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` 0x00,0x00,0x00,0x00,0xb2,0x7f,0x00,0x00"'
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)
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# EQ Bytes control with max value of 255
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C_CONTROLBYTES(EQIIR, PIPELINE_ID,
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CONTROLBYTES_OPS(bytes, 258 binds the mixer control to bytes get/put handlers, 258, 258),
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CONTROLBYTES_EXTOPS(258 binds the mixer control to bytes get/put handlers, 258, 258),
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, , ,
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CONTROLBYTES_MAX(, 316),
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,
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EQIIR_priv)
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# EQ initial parameters, in this case flat response
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CONTROLBYTES_PRIV(EQFIR_priv,
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` bytes "0x18,0x00,0x00,0x00,0x02,0x00,0x01,0x00,'
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` 0x00,0x00,0x00,0x00,0x04,0x00,0xff,0xff,'
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` 0x00,0x40,0x00,0x00,0x00,0x00,0x00,0x00"'
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)
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# EQ Bytes control with max value of 255
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C_CONTROLBYTES(EQFIR, PIPELINE_ID,
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CONTROLBYTES_OPS(bytes, 258 binds the mixer control to bytes get/put handlers, 258, 258),
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CONTROLBYTES_EXTOPS(258 binds the mixer control to bytes get/put handlers, 258, 258),
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, , ,
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CONTROLBYTES_MAX(, 316),
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,
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EQFIR_priv)
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#
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# Components and Buffers
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#
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# Host "Passthrough Playback" PCM
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# with 2 sink and 0 source periods
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W_PCM_PLAYBACK(PCM_ID, Passthrough Playback, 2, 0, 2)
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# "Volume" has 2 source and 2 sink periods
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W_PGA(0, PIPELINE_FORMAT, 2, 2, 2, LIST(` ', "Master Playback Volume PIPELINE_ID"))
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# "EQ 0" has 2 sink period and 2 source periods
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W_EQ_IIR(0, PIPELINE_FORMAT, 2, 2, 2, LIST(` ', "EQIIR"))
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# "EQ 0" has 2 sink period and 2 source periods
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W_EQ_FIR(0, PIPELINE_FORMAT, 2, 2, 2, LIST(` ', "EQFIR"))
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# Playback Buffers
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W_BUFFER(0, COMP_BUFFER_SIZE(2,
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COMP_SAMPLE_SIZE(PIPELINE_FORMAT), PIPELINE_CHANNELS, SCHEDULE_FRAMES),
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PLATFORM_HOST_MEM_CAP)
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W_BUFFER(1, COMP_BUFFER_SIZE(2,
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COMP_SAMPLE_SIZE(PIPELINE_FORMAT), PIPELINE_CHANNELS, SCHEDULE_FRAMES),
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PLATFORM_HOST_MEM_CAP)
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W_BUFFER(2, COMP_BUFFER_SIZE(2,
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COMP_SAMPLE_SIZE(PIPELINE_FORMAT), PIPELINE_CHANNELS, SCHEDULE_FRAMES),
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PLATFORM_HOST_MEM_CAP)
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W_BUFFER(3, COMP_BUFFER_SIZE(2,
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COMP_SAMPLE_SIZE(DAI_FORMAT), PIPELINE_CHANNELS, SCHEDULE_FRAMES),
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PLATFORM_DAI_MEM_CAP)
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#
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# Pipeline Graph
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#
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# host host PCM_P --> B0 --> EQ_IIR 0 --> B1 --> EQ_FIR 0 --> B2 --> Volume 0 --> B3 --> sink DAI0
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P_GRAPH(pipe-pass-vol-playback-PIPELINE_ID, PIPELINE_ID,
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LIST(` ',
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`dapm(N_PCMP(PCM_ID), Passthrough Playback PCM_ID)',
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`dapm(N_BUFFER(0), N_PCMP(PCM_ID))',
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`dapm(N_EQ_IIR(0), N_BUFFER(0))',
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`dapm(N_BUFFER(1), N_EQ_IIR(0))',
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`dapm(N_EQ_FIR(0), N_BUFFER(1))',
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`dapm(N_BUFFER(2), N_EQ_FIR(0))',
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`dapm(N_PGA(0), N_BUFFER(2))',
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`dapm(N_BUFFER(3), N_PGA(0))'))
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#
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# Pipeline Source and Sinks
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#
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indir(`define', concat(`PIPELINE_SOURCE_', PIPELINE_ID), N_BUFFER(3))
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indir(`define', concat(`PIPELINE_PCM_', PIPELINE_ID), Passthrough Playback PCM_ID)
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#
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# PCM Configuration
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#
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PCM_CAPABILITIES(Passthrough Playback PCM_ID, `S32_LE,S24_LE,S16_LE', 48000, 48000, 2, PIPELINE_CHANNELS, 2, 16, 192, 16384, 65536, 65536)
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