mirror of https://github.com/thesofproject/sof.git
52 lines
1.9 KiB
Matlab
52 lines
1.9 KiB
Matlab
%% Create DMIC FIR configuration files
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% SPDX-License-Identifier: BSD-3-Clause
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%
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% Copyright (c) 2019, Intel Corporation. All rights reserved.
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%
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% Author: Seppo Ingalsuo <seppo.ingalsuo@linux.intel.com>
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%% Generic parameters
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prm.driver_abi_version = 1;
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prm.duty_min = 40;
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prm.duty_max = 60;
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prm.fifo_a_fs = 0;
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prm.fifo_a_bits = 24;
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prm.fifo_b_fs = 0;
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prm.fifo_b_bits = 24;
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prm.number_of_pdm_controllers = 2;
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prm.pdm(1).enable_mic_a = 1;
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prm.pdm(1).enable_mic_b = 1;
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prm.pdm(1).polarity_mic_a = 0;
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prm.pdm(1).polarity_mic_b = 0;
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prm.pdm(1).clk_edge = 0;
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prm.pdm(1).skew = 0;
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prm.pdm(2).enable_mic_a = 1;
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prm.pdm(2).enable_mic_b = 1;
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prm.pdm(2).polarity_mic_a = 0;
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prm.pdm(2).polarity_mic_b = 0;
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prm.pdm(2).clk_edge = 0;
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prm.pdm(2).skew = 0;
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%% Design
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prm.pdmclk_min = 2.4e6;
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prm.pdmclk_max = 4.8e6;
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% clkdiv, mcic, mfira, mfirb
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prm.fifo_a_fs = 8e3; prm.fifo_b_fs = 16e3; dmic_init(prm); % 8, 30, 10, 5
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prm.fifo_a_fs = 8e3; prm.fifo_b_fs = 32e3; dmic_init(prm); % 8, 25, 12, 3
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prm.fifo_a_fs = 8e3; prm.fifo_b_fs = 48e3; dmic_init(prm); % 8, 25, 12, 2
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prm.fifo_a_fs = 24e3; prm.fifo_b_fs = 96e3; dmic_init(prm); % 5, 20, 8, 2
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prm.fifo_a_fs = 32e3; prm.fifo_b_fs = 96e3; dmic_init(prm); % 5, 20, 6, 2
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prm.fifo_a_fs = 48e3; prm.fifo_b_fs = 96e3; dmic_init(prm); % 5, 20, 4, 2
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prm.fifo_a_fs = 48e3; prm.fifo_b_fs = 16e3; dmic_init(prm); % 8, 25, 2, 6
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%% No need to run due to duplicated FIR coefficients
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%prm.fifo_a_fs = 8e3; prm.fifo_b_fs = 24e3; dmic_init(prm); % 8, 25, 12, 4
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%prm.fifo_a_fs = 16e3; prm.fifo_b_fs = 32e3; dmic_init(prm); % 8, 25, 6, 3
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%prm.fifo_a_fs = 16e3; prm.fifo_b_fs = 24e3; dmic_init(prm); % 8, 25, 6, 4
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%prm.fifo_a_fs = 16e3; prm.fifo_b_fs = 96e3; dmic_init(prm); % 5, 20, 12, 2
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%prm.fifo_a_fs = 24e3; prm.fifo_b_fs = 32e3; dmic_init(prm); % 8, 25, 4, 3
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%prm.fifo_a_fs = 24e3; prm.fifo_b_fs = 48e3; dmic_init(prm); % 8, 25, 4, 2
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%prm.fifo_a_fs = 32e3; prm.fifo_b_fs = 48e3; dmic_init(prm); % 5, 20, 6, 4
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