98 lines
2.7 KiB
C
98 lines
2.7 KiB
C
/***************************************************************************
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*
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* Copyright 2015-2019 BES.
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* All rights reserved. All unpublished rights reserved.
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*
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* No part of this work may be used or reproduced in any form or by any
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* means, or stored in a database or retrieval system, without prior written
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* permission of BES.
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*
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* Use of this work is governed by a license granted by BES.
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* This work contains confidential and proprietary information of
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* BES. which is protected by copyright, trade secret,
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* trademark and other intellectual property rights.
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*
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****************************************************************************/
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#ifndef __HW_CODEC_IIR_PROCESS_H__
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#define __HW_CODEC_IIR_PROCESS_H__
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include "stdint.h"
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#include "hal_aud.h"
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#if defined(CHIP_BEST1402) ||defined(CHIP_BEST2001) ||defined(CHIP_BEST2300A)
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#define AUD_DAC_IIR_NUM_EQ (20)
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#else
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#define AUD_DAC_IIR_NUM_EQ (8)
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#endif
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typedef enum {
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HW_CODEC_IIR_NO_ERR=0,
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HW_CODEC_IIR_TYPE_ERR,
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HW_CODEC_IIR_SAMPLERATE_ERR,
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HW_CODEC_IIR_COUNTER_ERR,
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HW_CODEC_IIR_OTHER_ERR,
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HW_CODEC_IIR_ERR_TOTAL,
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}HW_CODEC_IIR_ERROR;
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typedef enum {
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HW_CODEC_IIR_NOTYPE = 0,
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HW_CODEC_IIR_DAC,
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HW_CODEC_IIR_ADC,
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}HW_CODEC_IIR_TYPE_T;
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typedef struct _hw_codec_iir_coefs
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{
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int32_t coef_b[3];
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int32_t coef_a[3];
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}hw_codec_iir_coefs;
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typedef struct _hw_codec_iir_coefs_f
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{
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float coef_b[3];
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float coef_a[3];
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}hw_codec_iir_coefs_f;
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typedef struct _hw_codec_iir_filters
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{
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uint16_t iir_bypass_flag;
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uint16_t iir_counter;
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hw_codec_iir_coefs iir_coef[AUD_DAC_IIR_NUM_EQ];
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} HW_CODEC_IIR_FILTERS_T;
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typedef struct _hw_codec_iir_filters_f
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{
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uint16_t iir_bypass_flag;
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uint16_t iir_counter;
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hw_codec_iir_coefs_f iir_coef[AUD_DAC_IIR_NUM_EQ];
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} HW_CODEC_IIR_FILTERS_F;
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typedef struct _hw_codec_iir_cfg_t
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{
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HW_CODEC_IIR_FILTERS_T iir_filtes_l;
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HW_CODEC_IIR_FILTERS_T iir_filtes_r;
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} HW_CODEC_IIR_CFG_T;
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typedef struct _hw_codec_iir_cfg_f
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{
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HW_CODEC_IIR_FILTERS_F iir_filtes_l;
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HW_CODEC_IIR_FILTERS_F iir_filtes_r;
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} HW_CODEC_IIR_CFG_F;
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int hw_codec_iir_open(enum AUD_SAMPRATE_T sample_rate, HW_CODEC_IIR_TYPE_T hw_iir_type, int32_t ch_map);
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int hw_codec_iir_set_cfg( HW_CODEC_IIR_CFG_T *cfg, enum AUD_SAMPRATE_T sample_rate, HW_CODEC_IIR_TYPE_T hw_iir_type);
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int hw_codec_iir_close( HW_CODEC_IIR_TYPE_T hw_iir_type);
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HW_CODEC_IIR_CFG_T *hw_codec_iir_get_cfg(enum AUD_SAMPRATE_T sample_rate,const IIR_CFG_T* ext_cfg);
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int hw_codec_iir_set_coefs(HW_CODEC_IIR_CFG_F *cfg, HW_CODEC_IIR_TYPE_T hw_iir_type);
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int hal_codec_iir_dump(HW_CODEC_IIR_CFG_T *cfg);
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#ifdef __cplusplus
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}
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#endif
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#endif
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