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 enum card_status_t; 37 struct audio_usecase; 38 enum usecase_type_t; 39 40 void *platform_init(struct audio_device *adev); 41 void platform_deinit(void *platform); 42 const char *platform_get_snd_device_name(snd_device_t snd_device); 43 int platform_get_snd_device_name_extn(void *platform, snd_device_t snd_device, 44 char *device_name); 45 void platform_add_backend_name(void *platform, char *mixer_path, 46 snd_device_t snd_device); 47 bool platform_send_gain_dep_cal(void *platform, int level); 48 int platform_get_pcm_device_id(audio_usecase_t usecase, int device_type); 49 int platform_get_snd_device_index(char *snd_device_index_name); 50 int platform_set_snd_device_acdb_id(snd_device_t snd_device, unsigned int acdb_id); 51 int platform_get_snd_device_acdb_id(snd_device_t snd_device); 52 int platform_send_audio_calibration(void *platform, snd_device_t snd_device); 53 int platform_send_audio_calibration_v2(void *platform, struct audio_usecase *usecase, 54 int app_type, int sample_rate); 55 int platform_get_default_app_type_v2(void *platform, enum usecase_type_t type, int *app_type); 56 int platform_switch_voice_call_device_pre(void *platform); 57 int platform_switch_voice_call_enable_device_config(void *platform, 58 snd_device_t out_snd_device, 59 snd_device_t in_snd_device); 60 int platform_switch_voice_call_device_post(void *platform, 61 snd_device_t out_snd_device, 62 snd_device_t in_snd_device); 63 int platform_switch_voice_call_usecase_route_post(void *platform, 64 snd_device_t out_snd_device, 65 snd_device_t in_snd_device); 66 int platform_start_voice_call(void *platform, uint32_t vsid); 67 int platform_stop_voice_call(void *platform, uint32_t vsid); 68 int platform_set_voice_volume(void *platform, int volume); 69 void platform_set_speaker_gain_in_combo(struct audio_device *adev, 70 snd_device_t snd_device, 71 bool enable); 72 int platform_set_mic_mute(void *platform, bool state); 73 int platform_get_sample_rate(void *platform, uint32_t *rate); 74 int platform_set_device_mute(void *platform, bool state, char *dir); 75 snd_device_t platform_get_output_snd_device(void *platform, audio_devices_t devices); 76 snd_device_t platform_get_input_snd_device(void *platform, audio_devices_t out_device); 77 int platform_set_hdmi_channels(void *platform, int channel_count); 78 int platform_edid_get_max_channels(void *platform); 79 void platform_add_operator_specific_device(snd_device_t snd_device, 80 const char *operator, 81 const char *mixer_path, 82 unsigned int acdb_id); 83 /* return true if adding entry success 84 return false if adding entry fails */ 85 86 bool platform_add_gain_level_mapping(struct amp_db_and_gain_table *tbl_entry); 87 88 /* return 0 if no custome mapping table found or when error detected 89 use default mapping in this case 90 return > 0 indicates number of entries in mapping table */ 91 92 int platform_get_gain_level_mapping(struct amp_db_and_gain_table *mapping_tbl, 93 int table_size); 94 95 /* returns the latency for a usecase in Us */ 96 int64_t platform_render_latency(audio_usecase_t usecase); 97 98 int platform_set_incall_recording_session_id(void *platform, 99 uint32_t session_id, int rec_mode); 100 int platform_stop_incall_recording_usecase(void *platform); 101 int platform_start_incall_music_usecase(void *platform); 102 int platform_stop_incall_music_usecase(void *platform); 103 104 int platform_set_snd_device_backend(snd_device_t snd_device, const char * backend, 105 const char * hw_interface); 106 107 /* From platform_info.c */ 108 int platform_info_init(const char *filename, void *); 109 110 typedef int (*set_parameters_fn)(void *platform, struct str_parms *parms); 111 int snd_card_info_init(const char *filename, void *, set_parameters_fn); 112 113 int platform_get_usecase_index(const char * usecase); 114 int platform_set_usecase_pcm_id(audio_usecase_t usecase, int32_t type, int32_t pcm_id); 115 void platform_set_echo_reference(struct audio_device *adev, bool enable, audio_devices_t out_device); 116 int platform_check_and_set_swap_lr_channels(struct audio_device *adev, bool swap_channels); 117 int platform_set_swap_channels(struct audio_device *adev, bool swap_channels); 118 119 int platform_can_split_snd_device(snd_device_t in_snd_device, 120 int *num_devices, 121 snd_device_t *out_snd_devices); 122 123 bool platform_check_backends_match(snd_device_t snd_device1, snd_device_t snd_device2); 124 125 int platform_set_parameters(void *platform, struct str_parms *parms); 126 127 bool platform_check_and_set_playback_backend_cfg(struct audio_device* adev, 128 struct audio_usecase *usecase, snd_device_t snd_device); 129 130 bool platform_check_and_set_capture_backend_cfg(struct audio_device* adev, 131 struct audio_usecase *usecase, snd_device_t snd_device); 132 133 int platform_snd_card_update(void *platform, enum card_status_t status); 134 void platform_check_and_update_copp_sample_rate(void *platform, snd_device_t snd_device, 135 unsigned int stream_sr,int *sample_rate); 136 int platform_get_snd_device_backend_index(snd_device_t snd_device); 137 bool platform_supports_app_type_cfg(); 138 int platform_get_app_type_v2(void *platform, 139 enum usecase_type_t type, 140 const char *mode, 141 int bw, int sr, int *app_type); 142 void platform_add_app_type(const char *uc_type, 143 const char *mode, 144 int bw, int app_type, int max_sr); 145 int platform_get_snd_device_backend_index(snd_device_t snd_device); 146 int platform_set_sidetone(struct audio_device *adev, 147 snd_device_t out_snd_device, 148 bool enable, char * str); 149 int platform_get_mmap_data_fd(void *platform, int dev, int dir, 150 int *fd, uint32_t *size); 151 #endif // AUDIO_PLATFORM_API_H 152