1 /* 2 * Copyright (C) 2013-2014 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #ifndef AUDIO_PLATFORM_API_H 18 #define AUDIO_PLATFORM_API_H 19 20 void *platform_init(struct audio_device *adev); 21 void platform_deinit(void *platform); 22 const char *platform_get_snd_device_name(snd_device_t snd_device); 23 void platform_add_backend_name(void *platform, char *mixer_path, 24 snd_device_t snd_device); 25 bool platform_send_gain_dep_cal(void *platform, int level); 26 int platform_get_pcm_device_id(audio_usecase_t usecase, int device_type); 27 int platform_get_snd_device_index(char *snd_device_index_name); 28 int platform_set_snd_device_acdb_id(snd_device_t snd_device, unsigned int acdb_id); 29 int platform_get_snd_device_acdb_id(snd_device_t snd_device); 30 int platform_send_audio_calibration(void *platform, snd_device_t snd_device); 31 int platform_switch_voice_call_device_pre(void *platform); 32 int platform_switch_voice_call_enable_device_config(void *platform, 33 snd_device_t out_snd_device, 34 snd_device_t in_snd_device); 35 int platform_switch_voice_call_device_post(void *platform, 36 snd_device_t out_snd_device, 37 snd_device_t in_snd_device); 38 int platform_switch_voice_call_usecase_route_post(void *platform, 39 snd_device_t out_snd_device, 40 snd_device_t in_snd_device); 41 int platform_start_voice_call(void *platform, uint32_t vsid); 42 int platform_stop_voice_call(void *platform, uint32_t vsid); 43 int platform_set_voice_volume(void *platform, int volume); 44 void platform_set_speaker_gain_in_combo(struct audio_device *adev, 45 snd_device_t snd_device, 46 bool enable); 47 int platform_set_mic_mute(void *platform, bool state); 48 int platform_get_sample_rate(void *platform, uint32_t *rate); 49 int platform_set_device_mute(void *platform, bool state, char *dir); 50 snd_device_t platform_get_output_snd_device(void *platform, audio_devices_t devices); 51 snd_device_t platform_get_input_snd_device(void *platform, audio_devices_t out_device); 52 int platform_set_hdmi_channels(void *platform, int channel_count); 53 int platform_edid_get_max_channels(void *platform); 54 void platform_add_operator_specific_device(snd_device_t snd_device, 55 const char *operator, 56 const char *mixer_path, 57 unsigned int acdb_id); 58 59 /* returns the latency for a usecase in Us */ 60 int64_t platform_render_latency(audio_usecase_t usecase); 61 62 int platform_set_incall_recording_session_id(void *platform, 63 uint32_t session_id, int rec_mode); 64 int platform_stop_incall_recording_usecase(void *platform); 65 int platform_start_incall_music_usecase(void *platform); 66 int platform_stop_incall_music_usecase(void *platform); 67 68 int platform_set_snd_device_backend(snd_device_t snd_device, const char * backend, 69 const char * hw_interface); 70 71 /* From platform_info.c */ 72 int platform_info_init(void *); 73 74 int platform_get_usecase_index(const char * usecase); 75 int platform_set_usecase_pcm_id(audio_usecase_t usecase, int32_t type, int32_t pcm_id); 76 void platform_set_echo_reference(struct audio_device *adev, bool enable, audio_devices_t out_device); 77 int platform_swap_lr_channels(struct audio_device *adev, bool swap_channels); 78 79 bool platform_can_split_snd_device(snd_device_t in_snd_device, 80 int *num_devices, 81 snd_device_t *out_snd_devices); 82 83 bool platform_check_backends_match(snd_device_t snd_device1, snd_device_t snd_device2); 84 85 int platform_set_parameters(void *platform, struct str_parms *parms); 86 87 #endif // AUDIO_PLATFORM_API_H 88