1 /* 2 * Copyright (c) 2013-2015, The Linux Foundation. All rights reserved. 3 * Not a contribution. 4 * 5 * Copyright (C) 2013 The Android Open Source Project 6 * 7 * Licensed under the Apache License, Version 2.0 (the "License"); 8 * you may not use this file except in compliance with the License. 9 * You may obtain a copy of the License at 10 * 11 * http://www.apache.org/licenses/LICENSE-2.0 12 * 13 * Unless required by applicable law or agreed to in writing, software 14 * distributed under the License is distributed on an "AS IS" BASIS, 15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 16 * See the License for the specific language governing permissions and 17 * limitations under the License. 18 */ 19 20 #ifndef AUDIO_PLATFORM_API_H 21 #define AUDIO_PLATFORM_API_H 22 #include <sound/voice_params.h> 23 24 #define CODEC_BACKEND_DEFAULT_BIT_WIDTH 16 25 #define CODEC_BACKEND_DEFAULT_SAMPLE_RATE 48000 26 27 void *platform_init(struct audio_device *adev); 28 void platform_deinit(void *platform); 29 int platform_is_acdb_initialized(void *platform); 30 int platform_acdb_init(void *platform); 31 const char *platform_get_snd_device_name(snd_device_t snd_device); 32 int platform_get_snd_device_name_extn(void *platform, snd_device_t snd_device, 33 char *device_name); 34 void platform_add_backend_name(char *mixer_path, snd_device_t snd_device); 35 int platform_get_pcm_device_id(audio_usecase_t usecase, int device_type); 36 int platform_get_snd_device_index(char *snd_device_index_name); 37 int platform_set_fluence_type(void *platform, char *value); 38 int platform_get_fluence_type(void *platform, char *value, uint32_t len); 39 int platform_set_snd_device_acdb_id(snd_device_t snd_device, unsigned int acdb_id); 40 int platform_get_snd_device_acdb_id(snd_device_t snd_device); 41 int platform_set_snd_device_bit_width(snd_device_t snd_device, unsigned int bit_width); 42 int platform_get_snd_device_bit_width(snd_device_t snd_device); 43 int platform_send_audio_calibration(void *platform, struct audio_usecase *usecase, 44 int app_type, int sample_rate); 45 int platform_get_default_app_type(void *platform); 46 int platform_switch_voice_call_device_pre(void *platform); 47 int platform_switch_voice_call_enable_device_config(void *platform, 48 snd_device_t out_snd_device, 49 snd_device_t in_snd_device); 50 int platform_switch_voice_call_device_post(void *platform, 51 snd_device_t out_snd_device, 52 snd_device_t in_snd_device); 53 int platform_switch_voice_call_usecase_route_post(void *platform, 54 snd_device_t out_snd_device, 55 snd_device_t in_snd_device); 56 int platform_start_voice_call(void *platform, uint32_t vsid); 57 int platform_stop_voice_call(void *platform, uint32_t vsid); 58 int platform_set_voice_volume(void *platform, int volume); 59 int platform_set_mic_mute(void *platform, bool state); 60 int platform_get_sample_rate(void *platform, uint32_t *rate); 61 int platform_set_device_mute(void *platform, bool state, char *dir); 62 snd_device_t platform_get_output_snd_device(void *platform, audio_devices_t devices); 63 snd_device_t platform_get_input_snd_device(void *platform, audio_devices_t out_device); 64 int platform_set_hdmi_channels(void *platform, int channel_count); 65 int platform_edid_get_max_channels(void *platform); 66 void platform_get_parameters(void *platform, struct str_parms *query, 67 struct str_parms *reply); 68 int platform_set_parameters(void *platform, struct str_parms *parms); 69 int platform_set_incall_recording_session_id(void *platform, uint32_t session_id, 70 int rec_mode); 71 int platform_stop_incall_recording_usecase(void *platform); 72 int platform_start_incall_music_usecase(void *platform); 73 int platform_stop_incall_music_usecase(void *platform); 74 int platform_update_lch(void *platform, struct voice_session *session, 75 enum voice_lch_mode lch_mode); 76 /* returns the latency for a usecase in Us */ 77 int64_t platform_render_latency(audio_usecase_t usecase); 78 int platform_update_usecase_from_source(int source, audio_usecase_t usecase); 79 80 bool platform_listen_device_needs_event(snd_device_t snd_device); 81 bool platform_listen_usecase_needs_event(audio_usecase_t uc_id); 82 83 bool platform_sound_trigger_device_needs_event(snd_device_t snd_device); 84 bool platform_sound_trigger_usecase_needs_event(audio_usecase_t uc_id); 85 86 int platform_set_snd_device_backend(snd_device_t snd_device, const char * backend); 87 88 /* From platform_info_parser.c */ 89 int platform_info_init(const char *filename); 90 91 struct audio_offload_info_t; 92 uint32_t platform_get_compress_offload_buffer_size(audio_offload_info_t* info); 93 uint32_t platform_get_pcm_offload_buffer_size(audio_offload_info_t* info); 94 95 bool platform_check_and_set_codec_backend_cfg(struct audio_device* adev, struct audio_usecase *usecase); 96 int platform_get_usecase_index(const char * usecase); 97 int platform_set_usecase_pcm_id(audio_usecase_t usecase, int32_t type, int32_t pcm_id); 98 void platform_set_echo_reference(void *platform, bool enable); 99 void platform_get_device_to_be_id_map(int **be_id_map, int *length); 100 101 int platform_set_audio_device_interface(const char * device_name, const char *intf_name, 102 const char * codec_type); 103 #endif // AUDIO_PLATFORM_API_H 104
