/* * Copyright (C) 2013-2014 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. */ #ifndef AUDIO_PLATFORM_API_H #define AUDIO_PLATFORM_API_H #include "voice.h" #define MAX_VOLUME_CAL_STEPS 15 #define CODEC_BACKEND_DEFAULT_SAMPLE_RATE 48000 #define CODEC_BACKEND_DEFAULT_BIT_WIDTH 16 #define CODEC_BACKEND_DEFAULT_CHANNELS 2 #define CODEC_BACKEND_DEFAULT_TX_CHANNELS 1 #define SAMPLE_RATE_8000 8000 #define SAMPLE_RATE_11025 11025 #define sample_rate_multiple(sr, base) ((sr % base)== 0?true:false) typedef enum { EFFECT_NONE = 0, EFFECT_AEC, EFFECT_NS, EFFECT_COUNT } effect_type_t; struct audio_effect_config { uint32_t module_id; uint32_t instance_id; uint32_t param_id; uint32_t param_value; }; struct amp_db_and_gain_table { float amp; float db; uint32_t level; }; struct mic_info { char device_id[AUDIO_MICROPHONE_ID_MAX_LEN]; size_t channel_count; audio_microphone_channel_mapping_t channel_mapping[AUDIO_CHANNEL_COUNT_MAX]; }; enum card_status_t; struct audio_usecase; enum usecase_type_t; struct audio_backend_cfg; void *platform_init(struct audio_device *adev); void platform_deinit(void *platform); const char *platform_get_snd_device_name(snd_device_t snd_device); int platform_get_snd_device_name_extn(void *platform, snd_device_t snd_device, char *device_name); void platform_add_backend_name(void *platform, char *mixer_path, snd_device_t snd_device); bool platform_send_gain_dep_cal(void *platform, int level); int platform_get_pcm_device_id(audio_usecase_t usecase, int device_type); int platform_get_snd_device_index(char *snd_device_index_name); int platform_set_snd_device_acdb_id(snd_device_t snd_device, unsigned int acdb_id); int platform_get_snd_device_acdb_id(snd_device_t snd_device); int platform_set_effect_config_data(snd_device_t snd_device, struct audio_effect_config effect_config, effect_type_t effect_type); int platform_get_effect_config_data(snd_device_t snd_device, struct audio_effect_config *effect_config, effect_type_t effect_type); int platform_send_audio_calibration(void *platform, snd_device_t snd_device); int platform_send_audio_calibration_v2(void *platform, struct audio_usecase *usecase, int app_type, int sample_rate); int platform_set_acdb_metainfo_key(void *platform, char *name, int key); int platform_get_default_app_type_v2(void *platform, enum usecase_type_t type, int *app_type); int platform_switch_voice_call_device_pre(void *platform); int platform_switch_voice_call_enable_device_config(void *platform, snd_device_t out_snd_device, snd_device_t in_snd_device); int platform_switch_voice_call_device_post(void *platform, snd_device_t out_snd_device, snd_device_t in_snd_device); int platform_switch_voice_call_usecase_route_post(void *platform, snd_device_t out_snd_device, snd_device_t in_snd_device); int platform_start_voice_call(void *platform, uint32_t vsid); int platform_stop_voice_call(void *platform, uint32_t vsid); int platform_set_mic_break_det(void *platform, bool enable); int platform_set_voice_volume(void *platform, int volume); void platform_set_speaker_gain_in_combo(struct audio_device *adev, snd_device_t snd_device, bool enable); int platform_set_mic_mute(void *platform, bool state); int platform_get_sample_rate(void *platform, uint32_t *rate); int platform_set_device_mute(void *platform, bool state, char *dir); snd_device_t platform_get_output_snd_device(void *platform, audio_devices_t devices); snd_device_t platform_get_input_snd_device(void *platform, struct stream_in *in, audio_devices_t out_device); int platform_set_hdmi_channels(void *platform, int channel_count); int platform_edid_get_max_channels(void *platform); void platform_add_operator_specific_device(snd_device_t snd_device, const char *operator, const char *mixer_path, unsigned int acdb_id); void platform_add_external_specific_device(snd_device_t snd_device, const char *name, unsigned int acdb_id); /* return true if adding entry success return false if adding entry fails */ bool platform_add_gain_level_mapping(struct amp_db_and_gain_table *tbl_entry); /* return 0 if no custome mapping table found or when error detected use default mapping in this case return > 0 indicates number of entries in mapping table */ int platform_get_gain_level_mapping(struct amp_db_and_gain_table *mapping_tbl, int table_size); /* returns the latency for a usecase in Us */ int64_t platform_render_latency(audio_usecase_t usecase); int platform_set_incall_recording_session_id(void *platform, uint32_t session_id, int rec_mode); int platform_set_incall_recording_session_channels(void *platform, uint32_t session_channels); int platform_stop_incall_recording_usecase(void *platform); int platform_start_incall_music_usecase(void *platform); int platform_stop_incall_music_usecase(void *platform); int platform_set_snd_device_backend(snd_device_t snd_device, const char * backend, const char * hw_interface); bool platform_sound_trigger_usecase_needs_event(audio_usecase_t uc_id); typedef int (*set_parameters_fn)(void *platform, struct str_parms *parms); /* From platform_info.c */ int platform_info_init(const char *filename, void *, bool do_full_parse, set_parameters_fn); int platform_get_usecase_index(const char * usecase); int platform_set_usecase_pcm_id(audio_usecase_t usecase, int32_t type, int32_t pcm_id); void platform_set_echo_reference(struct audio_device *adev, bool enable, audio_devices_t out_device); int platform_check_and_set_swap_lr_channels(struct audio_device *adev, bool swap_channels); int platform_set_swap_channels(struct audio_device *adev, bool swap_channels); int platform_can_split_snd_device(snd_device_t in_snd_device, int *num_devices, snd_device_t *out_snd_devices); bool platform_check_backends_match(snd_device_t snd_device1, snd_device_t snd_device2); int platform_set_parameters(void *platform, struct str_parms *parms); bool platform_check_and_set_playback_backend_cfg(struct audio_device* adev, struct audio_usecase *usecase, snd_device_t snd_device); bool platform_check_and_set_capture_backend_cfg(struct audio_device* adev, struct audio_usecase *usecase, snd_device_t snd_device); int platform_snd_card_update(void *platform, enum card_status_t status); void platform_check_and_update_copp_sample_rate(void *platform, snd_device_t snd_device, unsigned int stream_sr,int *sample_rate); int platform_get_snd_device_backend_index(snd_device_t snd_device); bool platform_supports_app_type_cfg(); int platform_get_app_type_v2(void *platform, enum usecase_type_t type, const char *mode, int bw, int sr, int *app_type); void platform_add_app_type(const char *uc_type, const char *mode, int bw, int app_type, int max_sr); int platform_get_snd_device_backend_index(snd_device_t snd_device); int platform_set_sidetone(struct audio_device *adev, snd_device_t out_snd_device, bool enable, char * str); int platform_get_mmap_data_fd(void *platform, int dev, int dir, int *fd, uint32_t *size); bool platform_sound_trigger_usecase_needs_event(audio_usecase_t uc_id); bool platform_snd_device_has_speaker(snd_device_t dev); bool platform_set_microphone_characteristic(void *platform, struct audio_microphone_characteristic_t mic); bool platform_set_microphone_map(void *platform, snd_device_t in_snd_device, const struct mic_info *info); int platform_get_microphones(void *platform, struct audio_microphone_characteristic_t *mic_array, size_t *mic_count); int platform_get_active_microphones(void *platform, unsigned int channels, audio_usecase_t usecase, struct audio_microphone_characteristic_t *mic_array, size_t *mic_count); int platform_set_usb_service_interval(void *platform, bool playback, unsigned long service_interval, bool *reconfig); int platform_get_usb_service_interval(void *platform, bool playback, unsigned long *service_interval); int platform_get_haptics_pcm_device_id(); /* callback functions from platform to common audio HAL */ struct stream_in *adev_get_active_input(const struct audio_device *adev); #endif // AUDIO_PLATFORM_API_H