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 #include "voice.h" 21 #define MAX_VOLUME_CAL_STEPS 15 22 23 struct amp_db_and_gain_table { 24 float amp; 25 float db; 26 uint32_t level; 27 }; 28 29 enum card_status_t; 30 31 void *platform_init(struct audio_device *adev); 32 void platform_deinit(void *platform); 33 const char *platform_get_snd_device_name(snd_device_t snd_device); 34 int platform_get_snd_device_name_extn(void *platform, snd_device_t snd_device, 35 char *device_name); 36 void platform_add_backend_name(void *platform, char *mixer_path, 37 snd_device_t snd_device); 38 bool platform_send_gain_dep_cal(void *platform, int level); 39 int platform_get_pcm_device_id(audio_usecase_t usecase, int device_type); 40 int platform_get_snd_device_index(char *snd_device_index_name); 41 int platform_set_snd_device_acdb_id(snd_device_t snd_device, unsigned int acdb_id); 42 int platform_get_snd_device_acdb_id(snd_device_t snd_device); 43 int platform_send_audio_calibration(void *platform, snd_device_t snd_device); 44 int platform_switch_voice_call_device_pre(void *platform); 45 int platform_switch_voice_call_enable_device_config(void *platform, 46 snd_device_t out_snd_device, 47 snd_device_t in_snd_device); 48 int platform_switch_voice_call_device_post(void *platform, 49 snd_device_t out_snd_device, 50 snd_device_t in_snd_device); 51 int platform_switch_voice_call_usecase_route_post(void *platform, 52 snd_device_t out_snd_device, 53 snd_device_t in_snd_device); 54 int platform_start_voice_call(void *platform, uint32_t vsid); 55 int platform_stop_voice_call(void *platform, uint32_t vsid); 56 int platform_set_voice_volume(void *platform, int volume); 57 void platform_set_speaker_gain_in_combo(struct audio_device *adev, 58 snd_device_t snd_device, 59 bool enable); 60 int platform_set_mic_mute(void *platform, bool state); 61 int platform_get_sample_rate(void *platform, uint32_t *rate); 62 int platform_set_device_mute(void *platform, bool state, char *dir); 63 snd_device_t platform_get_output_snd_device(void *platform, audio_devices_t devices); 64 snd_device_t platform_get_input_snd_device(void *platform, audio_devices_t out_device); 65 int platform_set_hdmi_channels(void *platform, int channel_count); 66 int platform_edid_get_max_channels(void *platform); 67 void platform_add_operator_specific_device(snd_device_t snd_device, 68 const char *operator, 69 const char *mixer_path, 70 unsigned int acdb_id); 71 /* return true if adding entry success 72 return false if adding entry fails */ 73 74 bool platform_add_gain_level_mapping(struct amp_db_and_gain_table *tbl_entry); 75 76 /* return 0 if no custome mapping table found or when error detected 77 use default mapping in this case 78 return > 0 indicates number of entries in mapping table */ 79 80 int platform_get_gain_level_mapping(struct amp_db_and_gain_table *mapping_tbl, 81 int table_size); 82 83 /* returns the latency for a usecase in Us */ 84 int64_t platform_render_latency(audio_usecase_t usecase); 85 86 int platform_set_incall_recording_session_id(void *platform, 87 uint32_t session_id, int rec_mode); 88 int platform_stop_incall_recording_usecase(void *platform); 89 int platform_start_incall_music_usecase(void *platform); 90 int platform_stop_incall_music_usecase(void *platform); 91 92 int platform_set_snd_device_backend(snd_device_t snd_device, const char * backend, 93 const char * hw_interface); 94 95 /* From platform_info.c */ 96 int platform_info_init(const char *filename, void *); 97 98 int platform_get_usecase_index(const char * usecase); 99 int platform_set_usecase_pcm_id(audio_usecase_t usecase, int32_t type, int32_t pcm_id); 100 void platform_set_echo_reference(struct audio_device *adev, bool enable, audio_devices_t out_device); 101 int platform_swap_lr_channels(struct audio_device *adev, bool swap_channels); 102 103 int platform_can_split_snd_device(snd_device_t in_snd_device, 104 int *num_devices, 105 snd_device_t *out_snd_devices); 106 107 bool platform_check_backends_match(snd_device_t snd_device1, snd_device_t snd_device2); 108 109 int platform_set_parameters(void *platform, struct str_parms *parms); 110 111 bool platform_check_and_set_capture_backend_cfg(struct audio_device* adev, 112 struct audio_usecase *usecase, snd_device_t snd_device); 113 114 int platform_snd_card_update(void *platform, enum card_status_t status); 115 #endif // AUDIO_PLATFORM_API_H 116
