69 lines
2.1 KiB
C
69 lines
2.1 KiB
C
/*****************************************************************
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>file name : audio_iis.h
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>create time : Fri 25 Feb 2022 04:35:37 PM CST
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*****************************************************************/
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#ifndef _AUDIO_IIS_H_
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#define _AUDIO_IIS_H_
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#include "system/includes.h"
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#include "sound/pcm.h"
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#include "asm/iis.h"
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#include "audio_link.h"
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struct audio_iis_hdl {
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u8 state;
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u8 hw_ch;
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u8 irq_trigger;
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u8 input_mapping;
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short delay_time;
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short prepared_time;
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short prepared_frames;
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short reserved_frames;
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short underrun_time;
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short underrun_pns;
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void *underrun_data;
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void (*underrun_feedback)(void *);
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void *trigger_data;
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void (*trigger_handler)(void *);
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int sample_rate;
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struct list_head sync_list;
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ALINK_PARM *alink0_param;
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};
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int audio_iis_pcm_tx_open(struct audio_iis_hdl *iis, u8 ch, int smaple_rate);
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void audio_iis_pcm_tx_close(struct audio_iis_hdl *iis);
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int audio_iis_pcm_remapping(struct audio_iis_hdl *iis, u8 mapping);
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int audio_iis_pcm_write(struct audio_iis_hdl *iis, void *data, int len);
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int audio_iis_dma_start(struct audio_iis_hdl *iis);
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int audio_iis_dma_stop(struct audio_iis_hdl *iis);
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int audio_iis_set_delay_time(struct audio_iis_hdl *iis, int prepared_time, int delay_time);
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int audio_iis_set_underrun_params(struct audio_iis_hdl *iis, int time, void *priv, void (*feedback)(void *));
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int audio_iis_trigger_interrupt(struct audio_iis_hdl *iis, int time, void *priv, void (*callback)(void *));
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void audio_iis_add_syncts_handle(struct audio_iis_hdl *iis, void *syncts);
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void audio_iis_remove_syncts_handle(struct audio_iis_hdl *iis, void *syncts);
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void audio_iis_syncts_update_frame(struct audio_iis_hdl *iis);
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int audio_iis_buffered_frames(struct audio_iis_hdl *iis);
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int audio_iis_buffered_time(struct audio_iis_hdl *iis);
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int audio_iis_pcm_channel_num(struct audio_iis_hdl *iis);
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int audio_iis_pcm_sample_rate(struct audio_iis_hdl *iis);
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int audio_aec_ref_src_data_fill(void *p, s16 *data, int len);
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int audio_aec_ref_src_open(u32 insr, u32 outsr);
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void audio_aec_ref_src_close();
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#endif
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