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 int platform_get_snd_device_name_extn(void *platform, snd_device_t snd_device, 24 char *device_name); 25 void platform_add_backend_name(void *platform, char *mixer_path, 26 snd_device_t snd_device); 27 bool platform_send_gain_dep_cal(void *platform, int level); 28 int platform_get_pcm_device_id(audio_usecase_t usecase, int device_type); 29 int platform_get_snd_device_index(char *snd_device_index_name); 30 int platform_set_snd_device_acdb_id(snd_device_t snd_device, unsigned int acdb_id); 31 int platform_get_snd_device_acdb_id(snd_device_t snd_device); 32 int platform_send_audio_calibration(void *platform, snd_device_t snd_device); 33 int platform_switch_voice_call_device_pre(void *platform); 34 int platform_switch_voice_call_enable_device_config(void *platform, 35 snd_device_t out_snd_device, 36 snd_device_t in_snd_device); 37 int platform_switch_voice_call_device_post(void *platform, 38 snd_device_t out_snd_device, 39 snd_device_t in_snd_device); 40 int platform_switch_voice_call_usecase_route_post(void *platform, 41 snd_device_t out_snd_device, 42 snd_device_t in_snd_device); 43 int platform_start_voice_call(void *platform, uint32_t vsid); 44 int platform_stop_voice_call(void *platform, uint32_t vsid); 45 int platform_set_voice_volume(void *platform, int volume); 46 void platform_set_speaker_gain_in_combo(struct audio_device *adev, 47 snd_device_t snd_device, 48 bool enable); 49 int platform_set_mic_mute(void *platform, bool state); 50 int platform_get_sample_rate(void *platform, uint32_t *rate); 51 int platform_set_device_mute(void *platform, bool state, char *dir); 52 snd_device_t platform_get_output_snd_device(void *platform, audio_devices_t devices); 53 snd_device_t platform_get_input_snd_device(void *platform, audio_devices_t out_device); 54 int platform_set_hdmi_channels(void *platform, int channel_count); 55 int platform_edid_get_max_channels(void *platform); 56 void platform_add_operator_specific_device(snd_device_t snd_device, 57 const char *operator, 58 const char *mixer_path, 59 unsigned int acdb_id); 60 61 /* returns the latency for a usecase in Us */ 62 int64_t platform_render_latency(audio_usecase_t usecase); 63 64 int platform_set_incall_recording_session_id(void *platform, 65 uint32_t session_id, int rec_mode); 66 int platform_stop_incall_recording_usecase(void *platform); 67 int platform_start_incall_music_usecase(void *platform); 68 int platform_stop_incall_music_usecase(void *platform); 69 70 int platform_set_snd_device_backend(snd_device_t snd_device, const char * backend, 71 const char * hw_interface); 72 73 /* From platform_info.c */ 74 int platform_info_init(const char *filename, void *); 75 76 int platform_get_usecase_index(const char * usecase); 77 int platform_set_usecase_pcm_id(audio_usecase_t usecase, int32_t type, int32_t pcm_id); 78 void platform_set_echo_reference(struct audio_device *adev, bool enable, audio_devices_t out_device); 79 int platform_swap_lr_channels(struct audio_device *adev, bool swap_channels); 80 81 bool platform_can_split_snd_device(snd_device_t in_snd_device, 82 int *num_devices, 83 snd_device_t *out_snd_devices); 84 85 bool platform_check_backends_match(snd_device_t snd_device1, snd_device_t snd_device2); 86 87 int platform_set_parameters(void *platform, struct str_parms *parms); 88 89 bool platform_check_and_set_capture_backend_cfg(struct audio_device* adev, 90 struct audio_usecase *usecase, snd_device_t snd_device); 91 92 #endif // AUDIO_PLATFORM_API_H 93
