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lmx
2025-10-29 13:10:02 +08:00
commit 49a07fa419
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cpu/br28/audio_iis.h Normal file
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/*****************************************************************
>file name : audio_iis.h
>create time : Fri 25 Feb 2022 04:35:37 PM CST
*****************************************************************/
#ifndef _AUDIO_IIS_H_
#define _AUDIO_IIS_H_
#include "system/includes.h"
#include "sound/pcm.h"
#include "asm/iis.h"
#include "audio_link.h"
struct audio_iis_hdl {
u8 state;
u8 hw_ch;
u8 irq_trigger;
u8 input_mapping;
short delay_time;
short prepared_time;
short prepared_frames;
short reserved_frames;
short underrun_time;
short underrun_pns;
void *underrun_data;
void (*underrun_feedback)(void *);
void *trigger_data;
void (*trigger_handler)(void *);
int sample_rate;
struct list_head sync_list;
ALINK_PARM *alink0_param;
};
int audio_iis_pcm_tx_open(struct audio_iis_hdl *iis, u8 ch, int smaple_rate);
void audio_iis_pcm_tx_close(struct audio_iis_hdl *iis);
int audio_iis_pcm_remapping(struct audio_iis_hdl *iis, u8 mapping);
int audio_iis_pcm_write(struct audio_iis_hdl *iis, void *data, int len);
int audio_iis_dma_start(struct audio_iis_hdl *iis);
int audio_iis_dma_stop(struct audio_iis_hdl *iis);
int audio_iis_set_delay_time(struct audio_iis_hdl *iis, int prepared_time, int delay_time);
int audio_iis_set_underrun_params(struct audio_iis_hdl *iis, int time, void *priv, void (*feedback)(void *));
int audio_iis_trigger_interrupt(struct audio_iis_hdl *iis, int time, void *priv, void (*callback)(void *));
void audio_iis_add_syncts_handle(struct audio_iis_hdl *iis, void *syncts);
void audio_iis_remove_syncts_handle(struct audio_iis_hdl *iis, void *syncts);
void audio_iis_syncts_update_frame(struct audio_iis_hdl *iis);
int audio_iis_buffered_frames(struct audio_iis_hdl *iis);
int audio_iis_buffered_time(struct audio_iis_hdl *iis);
int audio_iis_pcm_channel_num(struct audio_iis_hdl *iis);
int audio_iis_pcm_sample_rate(struct audio_iis_hdl *iis);
int audio_aec_ref_src_data_fill(void *p, s16 *data, int len);
int audio_aec_ref_src_open(u32 insr, u32 outsr);
void audio_aec_ref_src_close();
#endif