#ifndef AUDIO_DEV_H #define AUDIO_DEV_H #include "generic/list.h" #include "typedef.h" #include "device/device.h" #include "generic/circular_buf.h" #include "os/os_api.h" #define MAX_AUDIO_ADC_CHANNEL_NUM 4 #define AUDIOC_QUERYCAP _IOR('A', 0, struct audio_capability) #define AUDIOC_GET_FMT _IOR('A', 1, struct audio_format) #define AUDIOC_SET_FMT _IOW('A', 1, struct audio_format) #define AUDIOC_REQBUFS _IOW('A', 2, struct video_reqbufs) #define AUDIOC_DQBUF _IOR('A', 3, struct video_buffer) #define AUDIOC_QBUF _IOW('A', 4, struct video_buffer) #define AUDIOC_STREAM_ON _IOW('A', 5, u8) #define AUDIOC_STREAM_OFF _IOW('A', 6, u8) #define AUDIOC_FADE_INOUT_SET _IOW('A', 7, bool) #define AUD_SUBDEV_REQ_PUT_PCM_DATA 0 #define AUD_SUBDEV_REQ_GET_PCM_DATA 1 #define AUD_SUBDEV_VIRTUAL_END_POST_SEM 2 #define AUDIO_TYPE_DEC 0x01 #define AUDIO_TYPE_ENC 0x02 #define AUDIO_TYPE_ENC_MIC (BIT(2) | AUDIO_TYPE_ENC) #define AUDIO_TYPE_ENC_LINEIN (BIT(3) | AUDIO_TYPE_ENC) #define AUDIO_TYPE_ENC_PLNK0 (BIT(4) | AUDIO_TYPE_ENC) #define AUDIO_TYPE_ENC_PLNK1 (BIT(5) | AUDIO_TYPE_ENC) #define AUDIO_TYPE_ENC_IIS0 (BIT(6) | AUDIO_TYPE_ENC) #define AUDIO_TYPE_ENC_IIS1 (BIT(7) | AUDIO_TYPE_ENC) #define AUDIO_TYPE_ENC_SPDIF (BIT(8) | AUDIO_TYPE_ENC) #define AUDIO_TYPE_ENC_SHARE BIT(31) struct audio_req_data { u8 channel; u8 wait_en; u8 source; u8 *data; int len; int sample_rate; u8 *ch0_data; u8 *ch1_data; }; struct audio_endpoint; struct aec_s_attr; struct audio_platform_data { u8 type; void *private_data; }; struct audio_capability { u32 capabilities; }; #define AUDIO_FMT_PCM 0x01 #define AUDIO_FMT_SPEEX 0x02 #define AUDIO_FMT_AMR 0x03 #define AUDIO_FMT_AAC 0x04 #define AUDIO_FMT_OPUS 0x05 #define AUDIO_FMT_CVSD 0x06 #define AUDIO_FMT_MSBC 0x07 #define AUDIO_FMT_ADPCM 0x08 #define AUDIO_FMT_SBC 0x09 #define AUDIO_FMT_MP2 0x0a #define AUDIO_FMT_MP3 0x0b #define AUDIO_FMT_JLA 0x0c #define AUDIO_FMT_OGG 0x0d #define AUDIO_FMT_DNS 0xfd #define AUDIO_FMT_AEC 0xfe #define AUDIO_FMT_VAD 0xff struct audio_format { u8 index; u8 volume; u8 channel; u8 channel_bit_map; u8 priority; volatile u8 vad_status; u8 use_vad : 2; u8 vad_auto_refresh : 1; u8 direct2dac : 1; u8 high_gain : 1; u8 amr_src : 1; u8 vir_data_wait : 1; u8 ch_detached : 1; u8 aec_enable : 1; u8 ch_data_exchange : 1; u8 no_header : 1; u8 sample_depth : 3; u8 dns_enable : 1; u8 wait_sem : 1; u8 read_end; u16 vad_start_threshold; u16 vad_stop_threshold; u16 frame_len; u16 frame_head_reserve_len; int sample_rate; u32 bitrate; u32 delay_ms; const char *format; const char *sample_source; int(*read_input)(u8 *buf, u32 len); struct aec_s_attr *aec_attr; OS_SEM *sem; }; struct audio_subdevice_ops { int (*init)(struct audio_platform_data *); int (*querycap)(struct audio_capability *cap); int (*get_format)(struct audio_format *); int (*set_format)(struct audio_format *); struct audio_endpoint *(*open)(struct audio_format *); int (*streamon)(struct audio_endpoint *); int (*streamoff)(struct audio_endpoint *); int (*response)(struct audio_endpoint *, int cmd, void *); int (*write)(struct audio_endpoint *, void *buf, u32 len); int (*close)(struct audio_endpoint *); int (*ioctl)(struct audio_endpoint *, u32 cmd, u32 arg); }; struct audio_subdevice { u8 id; /*u8 inused;*/ u8 type; u32 format; /*struct audio_subdevice *next;*/ /*void *parent;*/ /*void *private_data;*/ const struct audio_subdevice_ops *ops; }; struct audio_endpoint { struct list_head entry; const struct audio_subdevice *dev; volatile int inused; void *parent; void *private_data; struct list_head parent_list; }; struct aec_s_attr { u8 agc_en : 1; u8 ul_eq_en : 1; u8 wideband : 1; u8 toggle : 1; u8 wn_en : 1; u8 dly_est : 1; u8 output_way : 1; // 0:dac 1:fm u8 simplex : 1; u8 dst_delay;/*延时估计目标延时*/ u8 EnableBit; u8 SimplexTail; int SimplexThr; u16 hw_delay_offset; /*dac hardware delay offset*/ u16 wn_gain; /*white_noise gain*/ float AGC_NDT_fade_in_step; //in dB float AGC_NDT_fade_out_step; //in dB float AGC_NDT_max_gain; //in dB float AGC_NDT_min_gain; //in dB float AGC_NDT_speech_thr; //in dB float AGC_DT_fade_in_step; //in dB float AGC_DT_fade_out_step; //in dB float AGC_DT_max_gain; //in dB float AGC_DT_min_gain; //in dB float AGC_DT_speech_thr; //in dB float AGC_echo_present_thr; //In dB int AGC_echo_look_ahead; //in ms int AGC_echo_hold; //in ms float ES_AggressFactor; float ES_MinSuppress; float ES_Unconverge_OverDrive; float ANS_AggressFactor; float ANS_MinSuppress; float ANS_NoiseLevel; int (*aec_probe)(s16 *dat, u16 len); int (*aec_post)(s16 *dat, u16 len); int (*output_handle)(u8 *dat, u16 len); float AEC_RefEngThr; float AEC_DT_AggressiveFactor; //float AES_AggressFactor; //float AES_RefEngThr; float DNS_gain_floor; //增益的最小值控制,范围0~1,建议值(0~0.2)之间, default:双麦 0.05f ,单麦 0.1f float DNS_over_drive; //控制降噪强度: 0 < over_drive < 1，越小降噪强度越轻，太小噪声会很大；over_drive = 1,正常降噪; over_drive > 1,降噪强度加强，越大降噪强度越强，太大会吃音. 建议调节范围0.3~3之间来控制降噪强度的强弱, default: 1.0f float DNS_loudness; }; void dac_digital_lr_add(s16 *buff, u32 len); void dac_digital_lr_sub(s16 *buff, u32 len); int audio_channel_buf_data_separate(s16 *output, s16 *input, u8 channel_bit_map, u8 channel, u32 output_len); int audio_channel_cbuf_data_separate(cbuffer_t *cbuf, s16 *input, u8 channel_bit_map, u8 channel, u32 output_len); int audio_channel_cbuf_data_merge(cbuffer_t *cbuf, s16 *ch0_data, s16 *ch1_data, u32 output_len); int audio_channel_buf_data_merge(s16 *output, s16 *ch0_data, s16 *ch1_data, u32 output_len); int audio_subdevice_request(struct audio_endpoint *ep, int req, void *arg); void *audio_buf_malloc(struct audio_endpoint *ep, u32 size); void *audio_buf_realloc(struct audio_endpoint *ep, void *buf, int size); void audio_buf_stream_finish(struct audio_endpoint *ep, void *buf); void audio_buf_free(struct audio_endpoint *ep, void *buf); void audio_buf_set_time(struct audio_endpoint *ep, void *buf, u32 msec); extern const struct audio_subdevice audio_subdev_begin[]; extern const struct audio_subdevice audio_subdev_end[]; #define REGISTER_AUDIO_SUBDEVICE(dev, _id) \ const struct audio_subdevice dev SEC_USED(.audio_subdev.##_id) = { \ .id = _id, \ #define CHECK_AUDIO_ENDPOINT_IF_IS_STOPPED(ep) \ do { \ if (!ep->inused) { \ return 0; \ } \ }while(0) extern const struct device_operations audio_dev_ops; typedef void (*audio_output_handler_t)(s16 *data, int len, int sample, u8 channel, const char *source); #define REGISTER_AUDIO_OUTPUT_DATA_HANDLER(fn) \ static const audio_output_handler_t __audio_output_##fn SEC_USED(.audio_output_handler) = fn #define do_audio_output_data_handler(data, len, sample, channel, source) \ do { \ audio_output_handler_t *handler; \ extern audio_output_handler_t audio_output_handler_begin[];\ extern audio_output_handler_t audio_output_handler_end[]; \ for (handler = audio_output_handler_begin; handler < audio_output_handler_end; \ handler++) { \ (*handler)(data, len, sample, channel, source); \ } \ }while(0) typedef void (*audio_input_handler_t)(s16 *data, int len, int sample, s16 **out_data, const char *source); #define REGISTER_AUDIO_INPUT_DATA_HANDLER(fn) \ static const audio_input_handler_t __audio_intput_##fn SEC_USED(.audio_input_handler) = fn #define do_audio_input_data_handler(data, len, sample, out_data, source) \ do { \ audio_input_handler_t *handler; \ extern audio_input_handler_t audio_input_handler_begin[];\ extern audio_input_handler_t audio_input_handler_end[]; \ for (handler = audio_input_handler_begin; handler < audio_input_handler_end; \ handler++) { \ (*handler)(data, len, sample, out_data, source); \ } \ }while(0) #endif