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 #define CODEC_BACKEND_DEFAULT_SAMPLE_RATE 48000 23 #define CODEC_BACKEND_DEFAULT_BIT_WIDTH 16 24 #define CODEC_BACKEND_DEFAULT_CHANNELS 2 25 #define CODEC_BACKEND_DEFAULT_TX_CHANNELS 1 26 #define SAMPLE_RATE_8000 8000 27 #define SAMPLE_RATE_11025 11025 28 #define sample_rate_multiple(sr, base) ((sr % base)== 0?true:false) 29 30 struct amp_db_and_gain_table { 31 float amp; 32 float db; 33 uint32_t level; 34 }; 35 36 struct mic_info { 37 char device_id[AUDIO_MICROPHONE_ID_MAX_LEN]; 38 size_t channel_count; 39 audio_microphone_channel_mapping_t channel_mapping[AUDIO_CHANNEL_COUNT_MAX]; 40 }; 41 42 enum card_status_t; 43 struct audio_usecase; 44 enum usecase_type_t; 45 struct audio_backend_cfg; 46 47 void *platform_init(struct audio_device *adev); 48 void platform_deinit(void *platform); 49 const char *platform_get_snd_device_name(snd_device_t snd_device); 50 int platform_get_snd_device_name_extn(void *platform, snd_device_t snd_device, 51 char *device_name); 52 void platform_add_backend_name(void *platform, char *mixer_path, 53 snd_device_t snd_device); 54 bool platform_send_gain_dep_cal(void *platform, int level); 55 int platform_get_pcm_device_id(audio_usecase_t usecase, int device_type); 56 int platform_get_snd_device_index(char *snd_device_index_name); 57 int platform_set_snd_device_acdb_id(snd_device_t snd_device, unsigned int acdb_id); 58 int platform_get_snd_device_acdb_id(snd_device_t snd_device); 59 int platform_send_audio_calibration(void *platform, snd_device_t snd_device); 60 int platform_send_audio_calibration_v2(void *platform, struct audio_usecase *usecase, 61 int app_type, int sample_rate); 62 int platform_set_acdb_metainfo_key(void *platform, char *name, int key); 63 int platform_get_default_app_type_v2(void *platform, enum usecase_type_t type, int *app_type); 64 int platform_switch_voice_call_device_pre(void *platform); 65 int platform_switch_voice_call_enable_device_config(void *platform, 66 snd_device_t out_snd_device, 67 snd_device_t in_snd_device); 68 int platform_switch_voice_call_device_post(void *platform, 69 snd_device_t out_snd_device, 70 snd_device_t in_snd_device); 71 int platform_switch_voice_call_usecase_route_post(void *platform, 72 snd_device_t out_snd_device, 73 snd_device_t in_snd_device); 74 int platform_start_voice_call(void *platform, uint32_t vsid); 75 int platform_stop_voice_call(void *platform, uint32_t vsid); 76 int platform_set_mic_break_det(void *platform, bool enable); 77 int platform_set_voice_volume(void *platform, int volume); 78 void platform_set_speaker_gain_in_combo(struct audio_device *adev, 79 snd_device_t snd_device, 80 bool enable); 81 int platform_set_mic_mute(void *platform, bool state); 82 int platform_get_sample_rate(void *platform, uint32_t *rate); 83 int platform_set_device_mute(void *platform, bool state, char *dir); 84 snd_device_t platform_get_output_snd_device(void *platform, audio_devices_t devices); 85 snd_device_t platform_get_input_snd_device(void *platform, audio_devices_t out_device); 86 int platform_set_hdmi_channels(void *platform, int channel_count); 87 int platform_edid_get_max_channels(void *platform); 88 void platform_add_operator_specific_device(snd_device_t snd_device, 89 const char *operator, 90 const char *mixer_path, 91 unsigned int acdb_id); 92 /* return true if adding entry success 93 return false if adding entry fails */ 94 95 bool platform_add_gain_level_mapping(struct amp_db_and_gain_table *tbl_entry); 96 97 /* return 0 if no custome mapping table found or when error detected 98 use default mapping in this case 99 return > 0 indicates number of entries in mapping table */ 100 101 int platform_get_gain_level_mapping(struct amp_db_and_gain_table *mapping_tbl, 102 int table_size); 103 104 /* returns the latency for a usecase in Us */ 105 int64_t platform_render_latency(audio_usecase_t usecase); 106 107 int platform_set_incall_recording_session_id(void *platform, 108 uint32_t session_id, int rec_mode); 109 int platform_set_incall_recording_session_channels(void *platform, 110 uint32_t session_channels); 111 int platform_stop_incall_recording_usecase(void *platform); 112 int platform_start_incall_music_usecase(void *platform); 113 int platform_stop_incall_music_usecase(void *platform); 114 115 int platform_set_snd_device_backend(snd_device_t snd_device, const char * backend, 116 const char * hw_interface); 117 118 bool platform_sound_trigger_usecase_needs_event(audio_usecase_t uc_id); 119 120 /* From platform_info.c */ 121 int platform_info_init(const char *filename, void *); 122 123 typedef int (*set_parameters_fn)(void *platform, struct str_parms *parms); 124 int snd_card_info_init(const char *filename, void *, set_parameters_fn); 125 126 int platform_get_usecase_index(const char * usecase); 127 int platform_set_usecase_pcm_id(audio_usecase_t usecase, int32_t type, int32_t pcm_id); 128 void platform_set_echo_reference(struct audio_device *adev, bool enable, audio_devices_t out_device); 129 int platform_check_and_set_swap_lr_channels(struct audio_device *adev, bool swap_channels); 130 int platform_set_swap_channels(struct audio_device *adev, bool swap_channels); 131 132 int platform_can_split_snd_device(snd_device_t in_snd_device, 133 int *num_devices, 134 snd_device_t *out_snd_devices); 135 136 bool platform_check_backends_match(snd_device_t snd_device1, snd_device_t snd_device2); 137 138 int platform_set_parameters(void *platform, struct str_parms *parms); 139 140 bool platform_check_and_set_playback_backend_cfg(struct audio_device* adev, 141 struct audio_usecase *usecase, snd_device_t snd_device); 142 143 bool platform_check_and_set_capture_backend_cfg(struct audio_device* adev, 144 struct audio_usecase *usecase, snd_device_t snd_device); 145 146 int platform_snd_card_update(void *platform, enum card_status_t status); 147 void platform_check_and_update_copp_sample_rate(void *platform, snd_device_t snd_device, 148 unsigned int stream_sr,int *sample_rate); 149 int platform_get_snd_device_backend_index(snd_device_t snd_device); 150 bool platform_supports_app_type_cfg(); 151 int platform_get_app_type_v2(void *platform, 152 enum usecase_type_t type, 153 const char *mode, 154 int bw, int sr, int *app_type); 155 void platform_add_app_type(const char *uc_type, 156 const char *mode, 157 int bw, int app_type, int max_sr); 158 int platform_get_snd_device_backend_index(snd_device_t snd_device); 159 int platform_set_sidetone(struct audio_device *adev, 160 snd_device_t out_snd_device, 161 bool enable, char * str); 162 int platform_get_mmap_data_fd(void *platform, int dev, int dir, 163 int *fd, uint32_t *size); 164 bool platform_sound_trigger_usecase_needs_event(audio_usecase_t uc_id); 165 bool platform_snd_device_has_speaker(snd_device_t dev); 166 167 bool platform_set_microphone_characteristic(void *platform, 168 struct audio_microphone_characteristic_t mic); 169 bool platform_set_microphone_map(void *platform, snd_device_t in_snd_device, 170 const struct mic_info *info); 171 int platform_get_microphones(void *platform, 172 struct audio_microphone_characteristic_t *mic_array, 173 size_t *mic_count); 174 int platform_get_active_microphones(void *platform, unsigned int channels, 175 audio_usecase_t usecase, 176 struct audio_microphone_characteristic_t *mic_array, 177 size_t *mic_count); 178 int platform_set_usb_service_interval(void *platform, 179 bool playback, 180 unsigned long service_interval, 181 bool *reconfig); 182 int platform_get_usb_service_interval(void *platform, 183 bool playback, 184 unsigned long *service_interval); 185 #endif // AUDIO_PLATFORM_API_H 186