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/*
* Copyright (c) 2016-2019, The Linux Foundation. All rights reserved.
* Not a Contribution.
*
* Copyright (C) 2011 The Android Open Source Project *
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <sys/cdefs.h>
#include <stdint.h>
#include <system/audio.h>
#ifndef QTI_AUDIO_HAL_DEFS_H
#define QTI_AUDIO_HAL_DEFS_H
__BEGIN_DECLS
/**************************************/
/**
* standard audio parameters that the HAL may need to handle
*/
/**
* audio device parameters
*/
/* BT SCO Noise Reduction + Echo Cancellation parameters */
#define QAHW_PARAMETER_KEY_BT_NREC "bt_headset_nrec"
#define QAHW_PARAMETER_VALUE_ON "on"
#define QAHW_PARAMETER_VALUE_OFF "off"
/* TTY mode selection */
#define QAHW_PARAMETER_KEY_TTY_MODE "tty_mode"
#define QAHW_PARAMETER_VALUE_TTY_OFF "tty_off"
#define QAHW_PARAMETER_VALUE_TTY_VCO "tty_vco"
#define QAHW_PARAMETER_VALUE_TTY_HCO "tty_hco"
#define QAHW_PARAMETER_VALUE_TTY_FULL "tty_full"
/* Hearing Aid Compatibility - Telecoil (HAC-T) mode on/off
Strings must be in sync with CallFeaturesSetting.java */
#define QAHW_PARAMETER_KEY_HAC "HACSetting"
#define QAHW_PARAMETER_VALUE_HAC_ON "ON"
#define QAHW_PARAMETER_VALUE_HAC_OFF "OFF"
/* A2DP sink address set by framework */
#define QAHW_PARAMETER_A2DP_SINK_ADDRESS "a2dp_sink_address"
/* A2DP source address set by framework */
#define QAHW_PARAMETER_A2DP_SOURCE_ADDRESS "a2dp_source_address"
/* Screen state */
#define QAHW_PARAMETER_KEY_SCREEN_STATE "screen_state"
/* Bluetooth SCO wideband */
#define QAHW_PARAMETER_KEY_BT_SCO_WB "bt_wbs"
/* Get a new HW synchronization source identifier.
* Return a valid source (positive integer) or AUDIO_HW_SYNC_INVALID if an error occurs
* or no HW sync is available. */
#define QAHW_PARAMETER_HW_AV_SYNC "hw_av_sync"
/**
* audio stream parameters
*/
#define QAHW_PARAMETER_STREAM_ROUTING "routing" /* audio_devices_t */
#define QAHW_PARAMETER_STREAM_FORMAT "format" /* audio_format_t */
#define QAHW_PARAMETER_STREAM_CHANNELS "channels" /* audio_channel_mask_t */
#define QAHW_PARAMETER_STREAM_FRAME_COUNT "frame_count" /* size_t */
#define QAHW_PARAMETER_STREAM_INPUT_SOURCE "input_source" /* audio_source_t */
#define QAHW_PARAMETER_STREAM_SAMPLING_RATE "sampling_rate" /* uint32_t */
#define QAHW_PARAMETER_DEVICE_CONNECT "connect" /* audio_devices_t */
#define QAHW_PARAMETER_DEVICE_DISCONNECT "disconnect" /* audio_devices_t */
/* Query supported formats. The response is a '|' separated list of strings from
* audio_format_t enum e.g: "sup_formats=AUDIO_FORMAT_PCM_16_BIT" */
#define QAHW_PARAMETER_STREAM_SUP_FORMATS "sup_formats"
/* Query supported channel masks. The response is a '|' separated list of
* strings from audio_channel_mask_t enum
* e.g: "sup_channels=AUDIO_CHANNEL_OUT_STEREO|AUDIO_CHANNEL_OUT_MONO" */
#define QAHW_PARAMETER_STREAM_SUP_CHANNELS "sup_channels"
/* Query supported sampling rates. The response is a '|' separated list of
* integer values e.g: "sup_sampling_rates=44100|48000" */
#define QAHW_PARAMETER_STREAM_SUP_SAMPLING_RATES "sup_sampling_rates"
/* Set the HW synchronization source for an output stream. */
#define QAHW_PARAMETER_STREAM_HW_AV_SYNC "hw_av_sync"
/* Enable mono audio playback if 1, else should be 0. */
#define QAHW_PARAMETER_MONO_OUTPUT "mono_output"
/**
* audio codec parameters
*/
#define QAHW_OFFLOAD_CODEC_PARAMS "music_offload_codec_param"
#define QAHW_OFFLOAD_CODEC_BIT_PER_SAMPLE "music_offload_bit_per_sample"
#define QAHW_OFFLOAD_CODEC_BIT_RATE "music_offload_bit_rate"
#define QAHW_OFFLOAD_CODEC_AVG_BIT_RATE "music_offload_avg_bit_rate"
#define QAHW_OFFLOAD_CODEC_ID "music_offload_codec_id"
#define QAHW_OFFLOAD_CODEC_BLOCK_ALIGN "music_offload_block_align"
#define QAHW_OFFLOAD_CODEC_SAMPLE_RATE "music_offload_sample_rate"
#define QAHW_OFFLOAD_CODEC_ENCODE_OPTION "music_offload_encode_option"
#define QAHW_OFFLOAD_CODEC_NUM_CHANNEL "music_offload_num_channels"
#define QAHW_OFFLOAD_CODEC_DOWN_SAMPLING "music_offload_down_sampling"
#define QAHW_OFFLOAD_CODEC_DELAY_SAMPLES "delay_samples"
#define QAHW_OFFLOAD_CODEC_PADDING_SAMPLES "padding_samples"
/**
* extended audio codec parameters
*/
#define QAHW_OFFLOAD_CODEC_WMA_FORMAT_TAG "music_offload_wma_format_tag"
#define QAHW_OFFLOAD_CODEC_WMA_BLOCK_ALIGN "music_offload_wma_block_align"
#define QAHW_OFFLOAD_CODEC_WMA_BIT_PER_SAMPLE "music_offload_wma_bit_per_sample"
#define QAHW_OFFLOAD_CODEC_WMA_CHANNEL_MASK "music_offload_wma_channel_mask"
#define QAHW_OFFLOAD_CODEC_WMA_ENCODE_OPTION "music_offload_wma_encode_option"
#define QAHW_OFFLOAD_CODEC_WMA_ENCODE_OPTION1 "music_offload_wma_encode_option1"
#define QAHW_OFFLOAD_CODEC_WMA_ENCODE_OPTION2 "music_offload_wma_encode_option2"
#define QAHW_OFFLOAD_CODEC_FLAC_MIN_BLK_SIZE "music_offload_flac_min_blk_size"
#define QAHW_OFFLOAD_CODEC_FLAC_MAX_BLK_SIZE "music_offload_flac_max_blk_size"
#define QAHW_OFFLOAD_CODEC_FLAC_MIN_FRAME_SIZE "music_offload_flac_min_frame_size"
#define QAHW_OFFLOAD_CODEC_FLAC_MAX_FRAME_SIZE "music_offload_flac_max_frame_size"
#define QAHW_OFFLOAD_CODEC_ALAC_FRAME_LENGTH "music_offload_alac_frame_length"
#define QAHW_OFFLOAD_CODEC_ALAC_COMPATIBLE_VERSION "music_offload_alac_compatible_version"
#define QAHW_OFFLOAD_CODEC_ALAC_BIT_DEPTH "music_offload_alac_bit_depth"
#define QAHW_OFFLOAD_CODEC_ALAC_PB "music_offload_alac_pb"
#define QAHW_OFFLOAD_CODEC_ALAC_MB "music_offload_alac_mb"
#define QAHW_OFFLOAD_CODEC_ALAC_KB "music_offload_alac_kb"
#define QAHW_OFFLOAD_CODEC_ALAC_NUM_CHANNELS "music_offload_alac_num_channels"
#define QAHW_OFFLOAD_CODEC_ALAC_MAX_RUN "music_offload_alac_max_run"
#define QAHW_OFFLOAD_CODEC_ALAC_MAX_FRAME_BYTES "music_offload_alac_max_frame_bytes"
#define QAHW_OFFLOAD_CODEC_ALAC_AVG_BIT_RATE "music_offload_alac_avg_bit_rate"
#define QAHW_OFFLOAD_CODEC_ALAC_SAMPLING_RATE "music_offload_alac_sampling_rate"
#define QAHW_OFFLOAD_CODEC_ALAC_CHANNEL_LAYOUT_TAG "music_offload_alac_channel_layout_tag"
#define QAHW_OFFLOAD_CODEC_APE_COMPATIBLE_VERSION "music_offload_ape_compatible_version"
#define QAHW_OFFLOAD_CODEC_APE_COMPRESSION_LEVEL "music_offload_ape_compression_level"
#define QAHW_OFFLOAD_CODEC_APE_FORMAT_FLAGS "music_offload_ape_format_flags"
#define QAHW_OFFLOAD_CODEC_APE_BLOCKS_PER_FRAME "music_offload_ape_blocks_per_frame"
#define QAHW_OFFLOAD_CODEC_APE_FINAL_FRAME_BLOCKS "music_offload_ape_final_frame_blocks"
#define QAHW_OFFLOAD_CODEC_APE_TOTAL_FRAMES "music_offload_ape_total_frames"
#define QAHW_OFFLOAD_CODEC_APE_BITS_PER_SAMPLE "music_offload_ape_bits_per_sample"
#define QAHW_OFFLOAD_CODEC_APE_NUM_CHANNELS "music_offload_ape_num_channels"
#define QAHW_OFFLOAD_CODEC_APE_SAMPLE_RATE "music_offload_ape_sample_rate"
#define QAHW_OFFLOAD_CODEC_APE_SEEK_TABLE_PRESENT "music_offload_seek_table_present"
#define QAHW_OFFLOAD_CODEC_VORBIS_BITSTREAM_FMT "music_offload_vorbis_bitstream_fmt"
/* Set or Query stream profile type */
#define QAHW_PARAMETER_STREAM_PROFILE "audio_stream_profile"
/* audio input flags for compress and timestamp mode.
* check other input flags defined in audio.h for conflicts
*/
#define QAHW_INPUT_FLAG_TIMESTAMP 0x80000000
#define QAHW_INPUT_FLAG_COMPRESS 0x40000000
#define QAHW_INPUT_FLAG_PASSTHROUGH 0x20000000
#define QAHW_OUTPUT_FLAG_INCALL_MUSIC 0x80000000
#define QAHW_AUDIO_FLAG_HPCM_TX 0x00020000
#define QAHW_AUDIO_FLAG_HPCM_RX 0x00040000
/* Query fm volume */
#define QAHW_PARAMETER_KEY_FM_VOLUME "fm_volume"
/* Query if a2dp is supported */
#define QAHW_PARAMETER_KEY_HANDLE_A2DP_DEVICE "isA2dpDeviceSupported"
#define MAX_OUT_CHANNELS 8
#define MAX_INP_CHANNELS 8
#define QAHW_PCM_CHANNEL_FL 1 /* Front left channel. */
#define QAHW_PCM_CHANNEL_FR 2 /* Front right channel. */
#define QAHW_PCM_CHANNEL_FC 3 /* Front center channel. */
#define QAHW_PCM_CHANNEL_LS 4 /* Left surround channel. */
#define QAHW_PCM_CHANNEL_RS 5 /* Right surround channel. */
#define QAHW_PCM_CHANNEL_LFE 6 /* Low frequency effect channel. */
#define QAHW_PCM_CHANNEL_CS 7 /* Center surround channel; Rear center channel. */
#define QAHW_PCM_CHANNEL_LB 8 /* Left back channel; Rear left channel. */
#define QAHW_PCM_CHANNEL_RB 9 /* Right back channel; Rear right channel. */
#define QAHW_PCM_CHANNEL_TS 10 /* Top surround channel. */
#define QAHW_PCM_CHANNEL_CVH 11 /* Center vertical height channel. */
#define QAHW_PCM_CHANNEL_MS 12 /* Mono surround channel. */
#define QAHW_PCM_CHANNEL_FLC 13 /* Front left of center. */
#define QAHW_PCM_CHANNEL_FRC 14 /* Front right of center. */
#define QAHW_PCM_CHANNEL_RLC 15 /* Rear left of center. */
#define QAHW_PCM_CHANNEL_RRC 16 /* Rear right of center. */
/* Adapt update_device_list API */
#define QAHW_UPDATE_DEVICE_LIST_ENABLED
/* type of asynchronous write callback events. Mutually exclusive */
typedef enum {
QAHW_STREAM_CBK_EVENT_WRITE_READY, /* non blocking write completed */
QAHW_STREAM_CBK_EVENT_DRAIN_READY, /* drain completed */
QAHW_STREAM_CBK_EVENT_ERROR, /* stream hit some error */
QAHW_STREAM_CBK_EVENT_ADSP = 0x100 /* callback event from ADSP PP,
* corresponding payload will be
* sent as is to the client
*/
} qahw_stream_callback_event_t;
typedef int qahw_stream_callback_t(qahw_stream_callback_event_t event,
void *param,
void *cookie);
/* type of drain requested to audio_stream_out->drain(). Mutually exclusive */
typedef enum {
QAHW_DRAIN_ALL, /* drain() returns when all data has been played */
QAHW_DRAIN_EARLY_NOTIFY /* drain() returns a short time before all data
from the current track has been played to
give time for gapless track switch */
} qahw_drain_type_t;
/* meta data flags */
/*TBD: Extend this based on stb requirement*/
typedef enum {
QAHW_META_DATA_FLAGS_NONE = 0,
} qahw_meta_data_flags_t;
typedef struct {
const void *buffer; /* write buffer pointer */
size_t bytes; /* size of buffer */
size_t offset; /* offset in buffer from where valid byte starts */
int64_t *timestamp; /* timestmap */
qahw_meta_data_flags_t flags; /* meta data flags */
uint32_t reserved[64]; /*reserved for future */
} qahw_out_buffer_t;
typedef struct {
void *buffer; /* read buffer pointer */
size_t bytes; /* size of buffer */
size_t offset; /* offset in buffer from where valid byte starts */
int64_t *timestamp; /* timestmap */
uint32_t reserved[64]; /*reserved for future */
} qahw_in_buffer_t;
typedef struct {
void *buffer; /* write buffer pointer */
size_t size; /* size of buffer */
size_t offset; /* offset in buffer from where valid byte starts */
int64_t *timestamp; /* timestmap */
qahw_meta_data_flags_t flags; /* meta data flags */
} qahw_buffer_t;
#define MAX_SECTORS 8
struct qahw_source_tracking_param {
uint8_t vad[MAX_SECTORS];
uint16_t doa_speech;
uint16_t doa_noise[3];
uint8_t polar_activity[360];
} __attribute__((packed));
struct qahw_sound_focus_param {
uint16_t start_angle[MAX_SECTORS];
uint8_t enable[MAX_SECTORS];
uint16_t gain_step;
} __attribute__((packed));
struct aptx_dec_bt_addr {
uint32_t nap;
uint32_t uap;
uint32_t lap;
};
struct qahw_aptx_dec_param {
struct aptx_dec_bt_addr bt_addr;
};
struct qahw_avt_device_drift_param {
/* Flag to indicate if resync is required on the client side for
* drift correction. Flag is set to TRUE for the first get_param response
* after device interface starts. This flag value can be used by client
* to identify if device interface restart has happened and if any
* re-sync is required at their end for drift correction.
*/
uint32_t resync_flag;
/* Accumulated drift value in microseconds.
* Positive drift value indicates AV timer is running faster than device.
* Negative drift value indicates AV timer is running slower than device.
*/
int32_t avt_device_drift_value;
/* 64-bit absolute timestamp of reference */
uint64_t ref_timer_abs_ts;
};
/*use these for setting infine window.i.e free run mode */
#define QAHW_MAX_RENDER_START_WINDOW 0x8000000000000000
#define QAHW_MAX_RENDER_END_WINDOW 0x7FFFFFFFFFFFFFFF
struct qahw_out_render_window_param {
uint64_t render_ws; /* render window start value microseconds*/
uint64_t render_we; /* render window end value microseconds*/
};
struct qahw_out_start_delay_param {
uint64_t start_delay; /* session start delay in microseconds*/
};
struct qahw_out_enable_drift_correction {
bool enable; /* enable drift correction*/
};
struct qahw_out_correct_drift {
/*
* adjust time in microseconds, a positive value
* to advance the clock or a negative value to
* delay the clock.
*/
int64_t adjust_time;
};
struct qahw_out_presentation_position_param {
struct timespec timestamp;
uint64_t frames;
int32_t clock_id;
};
#define QAHW_MAX_ADSP_STREAM_CMD_PAYLOAD_LEN 512
typedef enum {
QAHW_STREAM_PP_EVENT = 0,
QAHW_STREAM_ENCDEC_EVENT = 1,
} qahw_event_id;
/* payload format for HAL parameter
* QAHW_PARAM_ADSP_STREAM_CMD
*/
struct qahw_adsp_event {
qahw_event_id event_type; /* type of the event */
uint32_t payload_length; /* length in bytes of the payload */
void *payload; /* the actual payload */
};
struct qahw_out_channel_map_param {
uint8_t channels; /* Input Channels */
uint8_t channel_map[AUDIO_CHANNEL_COUNT_MAX]; /* Input Channel Map */
};
struct qahw_device_cfg_param {
uint32_t sample_rate;
uint32_t channels;
uint32_t bit_width;
audio_format_t format;
audio_devices_t device;
uint8_t channel_map[AUDIO_CHANNEL_COUNT_MAX];
uint16_t channel_allocation;
};
typedef struct qahw_mix_matrix_params {
uint16_t num_output_channels;
uint16_t num_input_channels;
uint8_t has_output_channel_map;
uint16_t output_channel_map[AUDIO_CHANNEL_COUNT_MAX];
uint8_t has_input_channel_map;
uint16_t input_channel_map[AUDIO_CHANNEL_COUNT_MAX];
uint8_t has_mixer_coeffs;
float mixer_coeffs[AUDIO_CHANNEL_COUNT_MAX][AUDIO_CHANNEL_COUNT_MAX];
} qahw_mix_matrix_params_t;
#define QAHW_LICENCE_STR_MAX_LENGTH (64)
#define QAHW_PRODUCT_STR_MAX_LENGTH (64)
typedef struct qahw_license_params {
char product[QAHW_PRODUCT_STR_MAX_LENGTH + 1];
int key;
char license[QAHW_LICENCE_STR_MAX_LENGTH + 1];
} qahw_license_params_t;
typedef struct qahw_dtmf_gen_params {
bool enable;
uint16_t low_freq;
uint16_t high_freq;
uint16_t gain;
} qahw_dtmf_gen_params_t;
enum {
QAHW_TTY_MODE_OFF,
QAHW_TTY_MODE_FULL,
QAHW_TTY_MODE_VCO,
QAHW_TTY_MODE_HCO,
QAHW_TTY_MODE_MAX,
};
typedef struct qahw_tty_params {
uint32_t mode;
} qahw_tty_params_t;
typedef enum {
QAHW_HPCM_TAP_POINT_RX = 1,
QAHW_HPCM_TAP_POINT_TX = 2,
QAHW_HPCM_TAP_POINT_RX_TX = 3,
} qahw_hpcm_tap_point;
typedef enum {
QAHW_HPCM_DIRECTION_OUT,
QAHW_HPCM_DIRECTION_IN,
QAHW_HPCM_DIRECTION_OUT_IN,
} qahw_hpcm_direction;
typedef struct qahw_hpcm_params {
qahw_hpcm_tap_point tap_point;
qahw_hpcm_direction direction;
} qahw_hpcm_params_t;
typedef union {
struct qahw_source_tracking_param st_params;
struct qahw_sound_focus_param sf_params;
struct qahw_aptx_dec_param aptx_params;
struct qahw_avt_device_drift_param drift_params;
struct qahw_out_render_window_param render_window_params;
struct qahw_out_start_delay_param start_delay;
struct qahw_out_enable_drift_correction drift_enable_param;
struct qahw_out_correct_drift drift_correction_param;
struct qahw_adsp_event adsp_event_params;
struct qahw_out_channel_map_param channel_map_params;
struct qahw_device_cfg_param device_cfg_params;
struct qahw_mix_matrix_params mix_matrix_params;
struct qahw_license_params license_params;
struct qahw_out_presentation_position_param pos_param;
struct qahw_dtmf_gen_params dtmf_gen_params;
struct qahw_tty_params tty_mode_params;
struct qahw_hpcm_params hpcm_params;
} qahw_param_payload;
typedef enum {
QAHW_PARAM_SOURCE_TRACK,
QAHW_PARAM_SOUND_FOCUS,
QAHW_PARAM_APTX_DEC,
QAHW_PARAM_AVT_DEVICE_DRIFT, /* PARAM to query AV timer vs device drift */
QAHW_PARAM_OUT_RENDER_WINDOW, /* PARAM to set render window */
QAHW_PARAM_OUT_START_DELAY, /* PARAM to set session start delay*/
/* enable adsp drift correction this must be called before out_write */
QAHW_PARAM_OUT_ENABLE_DRIFT_CORRECTION,
/* param to set drift value to be adjusted by dsp */
QAHW_PARAM_OUT_CORRECT_DRIFT,
QAHW_PARAM_ADSP_STREAM_CMD,
QAHW_PARAM_OUT_CHANNEL_MAP, /* PARAM to set i/p channel map */
QAHW_PARAM_DEVICE_CONFIG, /* PARAM to set device config */
QAHW_PARAM_OUT_MIX_MATRIX_PARAMS,
QAHW_PARAM_CH_MIX_MATRIX_PARAMS,
QAHW_PARAM_LICENSE_PARAMS,
QAHW_PARAM_OUT_PRESENTATION_POSITION,
QAHW_PARAM_DTMF_GEN,
QAHW_PARAM_TTY_MODE,
QAHW_PARAM_HPCM,
} qahw_param_id;
typedef union {
struct qahw_out_render_window_param render_window_params;
} qahw_loopback_param_payload;
typedef enum {
QAHW_PARAM_LOOPBACK_RENDER_WINDOW /* PARAM to set render window */
} qahw_loopback_param_id;
typedef struct {
uint32_t num_sources;
audio_input_flags_t flags;
struct audio_port_config *source_config;
} qahw_source_port_config_t;
typedef struct {
uint32_t num_sinks;
audio_output_flags_t flags;
struct audio_port_config *sink_config;
} qahw_sink_port_config_t;
/** stream direction enumeration */
typedef enum {
QAHW_STREAM_INPUT,
QAHW_STREAM_OUTPUT,
QAHW_STREAM_INPUT_OUTPUT,
} qahw_stream_direction;
/** stream types */
typedef enum {
QAHW_STREAM_TYPE_INVALID,
QAHW_AUDIO_PLAYBACK_LOW_LATENCY, /**< low latency, higher power*/
QAHW_AUDIO_PLAYBACK_DEEP_BUFFER, /**< low power, higher latency*/
QAHW_AUDIO_PLAYBACK_COMPRESSED, /**< compresssed audio*/
QAHW_AUDIO_PLAYBACK_VOIP, /**< pcm voip audio*/
QAHW_AUDIO_PLAYBACK_VOICE_CALL_MUSIC, /**< pcm voip audio*/
QAHW_AUDIO_CAPTURE_LOW_LATENCY, /**< low latency, higher power*/
QAHW_AUDIO_CAPTURE_DEEP_BUFFER, /**< low power, higher latency*/
QAHW_AUDIO_CAPTURE_COMPRESSED, /**< compresssed audio*/
QAHW_AUDIO_CAPTURE_RAW, /**< pcm no post processing*/
QAHW_AUDIO_CAPTURE_VOIP, /**< pcm voip audio*/
QAHW_AUDIO_CAPTURE_VOICE_ACTIVATION, /**< voice activation*/
QAHW_AUDIO_CAPTURE_VOICE_CALL_RX, /**< incall record, downlink */
QAHW_AUDIO_CAPTURE_VOICE_CALL_TX, /**< incall record, uplink */
QAHW_AUDIO_CAPTURE_VOICE_CALL_RX_TX, /**< incall record, uplink & Downlink */
QAHW_VOICE_CALL, /**< voice call */
QAHW_AUDIO_TRANSCODE, /**< audio transcode */
QAHW_AUDIO_HOST_PCM_TX,
QAHW_AUDIO_HOST_PCM_RX,
QAHW_AUDIO_HOST_PCM_TX_RX,
QAHW_AUDIO_STREAM_TYPE_MAX,
} qahw_audio_stream_type;
typedef uint32_t qahw_device_t;
/**< Key value pair to identify the topology of a usecase from default */
struct qahw_modifier_kv {
uint32_t key;
uint32_t value;
};
struct qahw_shared_attributes{
audio_config_t config;
};
struct qahw_voice_attributes{
audio_config_t config;
const char *vsid;
};
struct qahw_audio_attributes{
audio_config_t config;
};
typedef union {
struct qahw_shared_attributes shared;
struct qahw_voice_attributes voice;
struct qahw_audio_attributes audio;
} qahw_stream_attributes_config;
struct qahw_stream_attributes {
qahw_audio_stream_type type;
qahw_stream_direction direction;
qahw_stream_attributes_config attr;
};
typedef enum {
QAHW_CHANNEL_L = 0, /*left channel*/
QAHW_CHANNEL_R = 1, /*right channel*/
QAHW_CHANNELS_MAX = 2, /*max number of supported streams*/
} qahw_channel_map;
struct qahw_channel_vol {
qahw_channel_map channel;
float vol;
};
struct qahw_volume_data {
uint32_t num_of_channels;
struct qahw_channel_vol *vol_pair;
};
struct qahw_mute_data {
bool enable;
qahw_stream_direction direction;
};
__END_DECLS
#endif // QTI_AUDIO_HAL_DEFS_H