/*
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* Copyright (C) 2013-2014 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef AUDIO_PLATFORM_API_H
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#define AUDIO_PLATFORM_API_H
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#include "voice.h"
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#define MAX_VOLUME_CAL_STEPS 15
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#define CODEC_BACKEND_DEFAULT_SAMPLE_RATE 48000
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#define CODEC_BACKEND_DEFAULT_BIT_WIDTH 16
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#define CODEC_BACKEND_DEFAULT_CHANNELS 2
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#define CODEC_BACKEND_DEFAULT_TX_CHANNELS 1
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#define SAMPLE_RATE_8000 8000
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#define SAMPLE_RATE_11025 11025
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#define sample_rate_multiple(sr, base) ((sr % base)== 0?true:false)
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typedef enum {
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EFFECT_NONE = 0,
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EFFECT_AEC,
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EFFECT_NS,
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EFFECT_COUNT
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} effect_type_t;
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struct audio_effect_config {
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uint32_t module_id;
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uint32_t instance_id;
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uint32_t param_id;
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uint32_t param_value;
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};
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struct amp_db_and_gain_table {
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float amp;
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float db;
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uint32_t level;
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};
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struct mic_info {
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char device_id[AUDIO_MICROPHONE_ID_MAX_LEN];
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size_t channel_count;
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audio_microphone_channel_mapping_t channel_mapping[AUDIO_CHANNEL_COUNT_MAX];
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};
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enum card_status_t;
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struct audio_usecase;
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enum usecase_type_t;
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struct audio_backend_cfg;
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void *platform_init(struct audio_device *adev);
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void platform_deinit(void *platform);
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const char *platform_get_snd_device_name(snd_device_t snd_device);
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int platform_get_snd_device_name_extn(void *platform, snd_device_t snd_device,
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char *device_name);
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void platform_add_backend_name(void *platform, char *mixer_path,
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snd_device_t snd_device);
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bool platform_send_gain_dep_cal(void *platform, int level);
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int platform_get_pcm_device_id(audio_usecase_t usecase, int device_type);
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int platform_get_snd_device_index(char *snd_device_index_name);
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int platform_set_snd_device_acdb_id(snd_device_t snd_device, unsigned int acdb_id);
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int platform_get_snd_device_acdb_id(snd_device_t snd_device);
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int platform_set_effect_config_data(snd_device_t snd_device,
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struct audio_effect_config effect_config,
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effect_type_t effect_type);
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int platform_get_effect_config_data(snd_device_t snd_device,
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struct audio_effect_config *effect_config,
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effect_type_t effect_type);
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int platform_send_audio_calibration(void *platform, snd_device_t snd_device);
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int platform_send_audio_calibration_v2(void *platform, struct audio_usecase *usecase,
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int app_type, int sample_rate);
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int platform_set_acdb_metainfo_key(void *platform, char *name, int key);
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int platform_get_default_app_type_v2(void *platform, enum usecase_type_t type, int *app_type);
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int platform_switch_voice_call_device_pre(void *platform);
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int platform_switch_voice_call_enable_device_config(void *platform,
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snd_device_t out_snd_device,
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snd_device_t in_snd_device);
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int platform_switch_voice_call_device_post(void *platform,
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snd_device_t out_snd_device,
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snd_device_t in_snd_device);
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int platform_switch_voice_call_usecase_route_post(void *platform,
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snd_device_t out_snd_device,
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snd_device_t in_snd_device);
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int platform_start_voice_call(void *platform, uint32_t vsid);
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int platform_stop_voice_call(void *platform, uint32_t vsid);
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int platform_set_mic_break_det(void *platform, bool enable);
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int platform_set_voice_volume(void *platform, int volume);
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void platform_set_speaker_gain_in_combo(struct audio_device *adev,
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snd_device_t snd_device,
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bool enable);
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int platform_set_mic_mute(void *platform, bool state);
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int platform_get_sample_rate(void *platform, uint32_t *rate);
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int platform_set_device_mute(void *platform, bool state, char *dir);
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snd_device_t platform_get_output_snd_device(void *platform, audio_devices_t devices);
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snd_device_t platform_get_input_snd_device(void *platform,
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struct stream_in *in,
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audio_devices_t out_device);
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int platform_set_hdmi_channels(void *platform, int channel_count);
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int platform_edid_get_max_channels(void *platform);
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void platform_add_operator_specific_device(snd_device_t snd_device,
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const char *operator,
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const char *mixer_path,
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unsigned int acdb_id);
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void platform_add_external_specific_device(snd_device_t snd_device,
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const char *name,
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unsigned int acdb_id);
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/* return true if adding entry success
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return false if adding entry fails */
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bool platform_add_gain_level_mapping(struct amp_db_and_gain_table *tbl_entry);
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/* return 0 if no custome mapping table found or when error detected
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use default mapping in this case
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return > 0 indicates number of entries in mapping table */
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int platform_get_gain_level_mapping(struct amp_db_and_gain_table *mapping_tbl,
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int table_size);
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/* returns the latency for a usecase in Us */
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int64_t platform_render_latency(audio_usecase_t usecase);
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int platform_set_incall_recording_session_id(void *platform,
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uint32_t session_id, int rec_mode);
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int platform_set_incall_recording_session_channels(void *platform,
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uint32_t session_channels);
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int platform_stop_incall_recording_usecase(void *platform);
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int platform_start_incall_music_usecase(void *platform);
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int platform_stop_incall_music_usecase(void *platform);
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int platform_set_snd_device_backend(snd_device_t snd_device, const char * backend,
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const char * hw_interface);
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bool platform_sound_trigger_usecase_needs_event(audio_usecase_t uc_id);
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typedef int (*set_parameters_fn)(void *platform, struct str_parms *parms);
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/* From platform_info.c */
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int platform_info_init(const char *filename, void *,
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bool do_full_parse, set_parameters_fn);
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int platform_get_usecase_index(const char * usecase);
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int platform_set_usecase_pcm_id(audio_usecase_t usecase, int32_t type, int32_t pcm_id);
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void platform_set_echo_reference(struct audio_device *adev, bool enable, audio_devices_t out_device);
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int platform_check_and_set_swap_lr_channels(struct audio_device *adev, bool swap_channels);
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int platform_set_swap_channels(struct audio_device *adev, bool swap_channels);
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int platform_can_split_snd_device(snd_device_t in_snd_device,
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int *num_devices,
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snd_device_t *out_snd_devices);
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bool platform_check_backends_match(snd_device_t snd_device1, snd_device_t snd_device2);
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int platform_set_parameters(void *platform, struct str_parms *parms);
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bool platform_check_and_set_playback_backend_cfg(struct audio_device* adev,
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struct audio_usecase *usecase, snd_device_t snd_device);
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bool platform_check_and_set_capture_backend_cfg(struct audio_device* adev,
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struct audio_usecase *usecase, snd_device_t snd_device);
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int platform_snd_card_update(void *platform, enum card_status_t status);
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void platform_check_and_update_copp_sample_rate(void *platform, snd_device_t snd_device,
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unsigned int stream_sr,int *sample_rate);
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int platform_get_snd_device_backend_index(snd_device_t snd_device);
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bool platform_supports_app_type_cfg();
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int platform_get_app_type_v2(void *platform,
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enum usecase_type_t type,
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const char *mode,
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int bw, int sr, int *app_type);
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void platform_add_app_type(const char *uc_type,
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const char *mode,
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int bw, int app_type, int max_sr);
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int platform_get_snd_device_backend_index(snd_device_t snd_device);
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int platform_set_sidetone(struct audio_device *adev,
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snd_device_t out_snd_device,
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bool enable, char * str);
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int platform_get_mmap_data_fd(void *platform, int dev, int dir,
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int *fd, uint32_t *size);
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bool platform_sound_trigger_usecase_needs_event(audio_usecase_t uc_id);
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bool platform_snd_device_has_speaker(snd_device_t dev);
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bool platform_set_microphone_characteristic(void *platform,
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struct audio_microphone_characteristic_t mic);
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bool platform_set_microphone_map(void *platform, snd_device_t in_snd_device,
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const struct mic_info *info);
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int platform_get_microphones(void *platform,
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struct audio_microphone_characteristic_t *mic_array,
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size_t *mic_count);
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int platform_get_active_microphones(void *platform, unsigned int channels,
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audio_usecase_t usecase,
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struct audio_microphone_characteristic_t *mic_array,
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size_t *mic_count);
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int platform_set_usb_service_interval(void *platform,
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bool playback,
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unsigned long service_interval,
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bool *reconfig);
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int platform_get_usb_service_interval(void *platform,
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bool playback,
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unsigned long *service_interval);
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int platform_get_haptics_pcm_device_id();
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/* callback functions from platform to common audio HAL */
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struct stream_in *adev_get_active_input(const struct audio_device *adev);
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#endif // AUDIO_PLATFORM_API_H
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