mirror of
https://github.com/alsa-project/alsa-utils
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49 lines
1.2 KiB
C
49 lines
1.2 KiB
C
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// SPDX-License-Identifier: BSD-3-Clause
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//
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// Copyright(c) 2021 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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// Jaska Uimonen <jaska.uimonen@linux.intel.com>
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#ifndef __DMIC_INTEL_H
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#define __DMIC_INTEL_H
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#include <stdint.h>
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#define DMIC_TS_GROUP_SIZE 4
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/* structs for intel dmic nhlt vendor specific blob generation */
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struct dmic_intel_fir_config {
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uint32_t fir_control;
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uint32_t fir_config;
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uint32_t dc_offset_left;
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uint32_t dc_offset_right;
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uint32_t out_gain_left;
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uint32_t out_gain_right;
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uint32_t reserved2[2];
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uint32_t fir_coeffs[];
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} __attribute__((packed));
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struct dmic_intel_pdm_ctrl_cfg {
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uint32_t cic_control;
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uint32_t cic_config;
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uint32_t reserved0;
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uint32_t mic_control;
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uint32_t pdmsm;
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uint32_t reuse_fir_from_pdm;
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uint32_t reserved1[2];
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struct dmic_intel_fir_config fir_config[];
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} __attribute__((packed));
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struct dmic_intel_config_data {
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uint32_t gateway_attributes;
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uint32_t ts_group[DMIC_TS_GROUP_SIZE];
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uint32_t clock_on_delay;
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uint32_t channel_ctrl_mask;
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uint32_t chan_ctrl_cfg[2];
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uint32_t channel_pdm_mask;
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struct dmic_intel_pdm_ctrl_cfg pdm_ctrl_cfg[];
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} __attribute__((packed));
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#endif /* __DMIC_INTEL_H */
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