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 typedef enum { 31 EFFECT_NONE = 0, 32 EFFECT_AEC, 33 EFFECT_NS, 34 EFFECT_COUNT 35 } effect_type_t; 36 37 struct audio_effect_config { 38 uint32_t module_id; 39 uint32_t instance_id; 40 uint32_t param_id; 41 uint32_t param_value; 42 }; 43 44 struct amp_db_and_gain_table { 45 float amp; 46 float db; 47 uint32_t level; 48 }; 49 50 struct mic_info { 51 char device_id[AUDIO_MICROPHONE_ID_MAX_LEN]; 52 size_t channel_count; 53 audio_microphone_channel_mapping_t channel_mapping[AUDIO_CHANNEL_COUNT_MAX]; 54 }; 55 56 enum card_status_t; 57 struct audio_usecase; 58 enum usecase_type_t; 59 struct audio_backend_cfg; 60 61 void *platform_init(struct audio_device *adev); 62 void platform_deinit(void *platform); 63 const char *platform_get_snd_device_name(snd_device_t snd_device); 64 int platform_get_snd_device_name_extn(void *platform, snd_device_t snd_device, 65 char *device_name); 66 void platform_add_backend_name(void *platform, char *mixer_path, 67 snd_device_t snd_device); 68 bool platform_send_gain_dep_cal(void *platform, int level); 69 int platform_get_pcm_device_id(audio_usecase_t usecase, int device_type); 70 int platform_get_snd_device_index(char *snd_device_index_name); 71 int platform_set_snd_device_acdb_id(snd_device_t snd_device, unsigned int acdb_id); 72 int platform_get_snd_device_acdb_id(snd_device_t snd_device); 73 int platform_set_effect_config_data(snd_device_t snd_device, 74 struct audio_effect_config effect_config, 75 effect_type_t effect_type); 76 int platform_get_effect_config_data(snd_device_t snd_device, 77 struct audio_effect_config *effect_config, 78 effect_type_t effect_type); 79 int platform_send_audio_calibration(void *platform, snd_device_t snd_device); 80 int platform_send_audio_calibration_v2(void *platform, struct audio_usecase *usecase, 81 int app_type, int sample_rate); 82 int platform_set_acdb_metainfo_key(void *platform, char *name, int key); 83 int platform_get_default_app_type_v2(void *platform, enum usecase_type_t type, int *app_type); 84 int platform_switch_voice_call_device_pre(void *platform); 85 int platform_switch_voice_call_enable_device_config(void *platform, 86 snd_device_t out_snd_device, 87 snd_device_t in_snd_device); 88 int platform_switch_voice_call_device_post(void *platform, 89 snd_device_t out_snd_device, 90 snd_device_t in_snd_device); 91 int platform_switch_voice_call_usecase_route_post(void *platform, 92 snd_device_t out_snd_device, 93 snd_device_t in_snd_device); 94 int platform_start_voice_call(void *platform, uint32_t vsid); 95 int platform_stop_voice_call(void *platform, uint32_t vsid); 96 int platform_set_mic_break_det(void *platform, bool enable); 97 int platform_set_voice_volume(void *platform, int volume); 98 void platform_set_speaker_gain_in_combo(struct audio_device *adev, 99 snd_device_t snd_device, 100 bool enable); 101 int platform_set_mic_mute(void *platform, bool state); 102 int platform_get_sample_rate(void *platform, uint32_t *rate); 103 int platform_set_device_mute(void *platform, bool state, char *dir); 104 snd_device_t platform_get_output_snd_device(void *platform, audio_devices_t devices); 105 snd_device_t platform_get_input_snd_device(void *platform, 106 struct stream_in *in, 107 audio_devices_t out_device); 108 int platform_set_hdmi_channels(void *platform, int channel_count); 109 int platform_edid_get_max_channels(void *platform); 110 void platform_add_operator_specific_device(snd_device_t snd_device, 111 const char *operator, 112 const char *mixer_path, 113 unsigned int acdb_id); 114 void platform_add_external_specific_device(snd_device_t snd_device, 115 const char *name, 116 unsigned int acdb_id); 117 /* return true if adding entry success 118 return false if adding entry fails */ 119 120 bool platform_add_gain_level_mapping(struct amp_db_and_gain_table *tbl_entry); 121 122 /* return 0 if no custome mapping table found or when error detected 123 use default mapping in this case 124 return > 0 indicates number of entries in mapping table */ 125 126 int platform_get_gain_level_mapping(struct amp_db_and_gain_table *mapping_tbl, 127 int table_size); 128 129 /* returns the latency for a usecase in Us */ 130 int64_t platform_render_latency(struct stream_out *out); 131 int64_t platform_capture_latency(struct stream_in *in); 132 133 int platform_set_incall_recording_session_id(void *platform, 134 uint32_t session_id, int rec_mode); 135 int platform_set_incall_recording_session_channels(void *platform, 136 uint32_t session_channels); 137 int platform_stop_incall_recording_usecase(void *platform); 138 int platform_start_incall_music_usecase(void *platform); 139 int platform_stop_incall_music_usecase(void *platform); 140 141 int platform_set_snd_device_backend(snd_device_t snd_device, const char * backend, 142 const char * hw_interface); 143 144 bool platform_sound_trigger_usecase_needs_event(audio_usecase_t uc_id); 145 146 typedef int (*set_parameters_fn)(void *platform, struct str_parms *parms); 147 148 /* From platform_info.c */ 149 int platform_info_init(const char *filename, void *, 150 bool do_full_parse, set_parameters_fn); 151 152 int platform_get_usecase_index(const char * usecase); 153 int platform_set_usecase_pcm_id(audio_usecase_t usecase, int32_t type, int32_t pcm_id); 154 void platform_set_echo_reference(struct audio_device *adev, bool enable, audio_devices_t out_device); 155 int platform_check_and_set_swap_lr_channels(struct audio_device *adev, bool swap_channels); 156 int platform_set_swap_channels(struct audio_device *adev, bool swap_channels); 157 158 int platform_can_split_snd_device(snd_device_t in_snd_device, 159 int *num_devices, 160 snd_device_t *out_snd_devices); 161 162 bool platform_check_backends_match(snd_device_t snd_device1, snd_device_t snd_device2); 163 164 int platform_set_parameters(void *platform, struct str_parms *parms); 165 166 bool platform_check_and_set_playback_backend_cfg(struct audio_device* adev, 167 struct audio_usecase *usecase, snd_device_t snd_device); 168 169 bool platform_check_and_set_capture_backend_cfg(struct audio_device* adev, 170 struct audio_usecase *usecase, snd_device_t snd_device); 171 172 int platform_snd_card_update(void *platform, enum card_status_t status); 173 void platform_check_and_update_copp_sample_rate(void *platform, snd_device_t snd_device, 174 unsigned int stream_sr,int *sample_rate); 175 int platform_get_snd_device_backend_index(snd_device_t snd_device); 176 bool platform_supports_app_type_cfg(); 177 int platform_get_app_type_v2(void *platform, 178 enum usecase_type_t type, 179 const char *mode, 180 int bw, int sr, int *app_type); 181 void platform_add_app_type(const char *uc_type, 182 const char *mode, 183 int bw, int app_type, int max_sr); 184 int platform_get_snd_device_backend_index(snd_device_t snd_device); 185 int platform_set_sidetone(struct audio_device *adev, 186 snd_device_t out_snd_device, 187 bool enable, char * str); 188 int platform_get_mmap_data_fd(void *platform, int dev, int dir, 189 int *fd, uint32_t *size); 190 bool platform_sound_trigger_usecase_needs_event(audio_usecase_t uc_id); 191 bool platform_snd_device_has_speaker(snd_device_t dev); 192 193 bool platform_set_microphone_characteristic(void *platform, 194 struct audio_microphone_characteristic_t mic); 195 bool platform_set_microphone_map(void *platform, snd_device_t in_snd_device, 196 const struct mic_info *info); 197 int platform_get_microphones(void *platform, 198 struct audio_microphone_characteristic_t *mic_array, 199 size_t *mic_count); 200 int platform_get_active_microphones(void *platform, unsigned int channels, 201 audio_usecase_t usecase, 202 struct audio_microphone_characteristic_t *mic_array, 203 size_t *mic_count); 204 int platform_set_usb_service_interval(void *platform, 205 bool playback, 206 unsigned long service_interval, 207 bool *reconfig); 208 int platform_get_usb_service_interval(void *platform, 209 bool playback, 210 unsigned long *service_interval); 211 int platform_get_haptics_pcm_device_id(); 212 213 void platform_set_audio_source_delay(audio_source_t audio_source, int delay_ms); 214 215 int platform_get_audio_source_index(const char *audio_source_name); 216 217 void platform_set_audio_usecase_delay(audio_usecase_t usecase, int delay_ms); 218 219 /* callback functions from platform to common audio HAL */ 220 struct stream_in *adev_get_active_input(const struct audio_device *adev); 221 222 #endif // AUDIO_PLATFORM_API_H 223