1 /* 2 * Copyright (C) 2013-2016 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 QCOM_AUDIO_HW_H 18 #define QCOM_AUDIO_HW_H 19 20 #include <cutils/str_parms.h> 21 #include <cutils/list.h> 22 #include <hardware/audio.h> 23 24 #include <tinyalsa/asoundlib.h> 25 #include <tinycompress/tinycompress.h> 26 27 #include <audio_route/audio_route.h> 28 #include "voice.h" 29 30 // dlopen() does not go through default library path search if there is a "/" in the library name. 31 #ifdef __LP64__ 32 #define VISUALIZER_LIBRARY_PATH "/system/lib64/soundfx/libqcomvisualizer.so" 33 #define OFFLOAD_EFFECTS_BUNDLE_LIBRARY_PATH "/system/lib64/soundfx/libqcompostprocbundle.so" 34 #else 35 #define VISUALIZER_LIBRARY_PATH "/system/lib/soundfx/libqcomvisualizer.so" 36 #define OFFLOAD_EFFECTS_BUNDLE_LIBRARY_PATH "/system/lib/soundfx/libqcompostprocbundle.so" 37 #endif 38 #define ADM_LIBRARY_PATH "libadm.so" 39 40 /* Flags used to initialize acdb_settings variable that goes to ACDB library */ 41 #define DMIC_FLAG 0x00000002 42 #define TTY_MODE_OFF 0x00000010 43 #define TTY_MODE_FULL 0x00000020 44 #define TTY_MODE_VCO 0x00000040 45 #define TTY_MODE_HCO 0x00000080 46 #define TTY_MODE_CLEAR 0xFFFFFF0F 47 48 #define ACDB_DEV_TYPE_OUT 1 49 #define ACDB_DEV_TYPE_IN 2 50 51 #define MAX_SUPPORTED_CHANNEL_MASKS 2 52 #define DEFAULT_HDMI_OUT_CHANNELS 2 53 54 #define ERROR_LOG_ENTRIES 16 55 56 typedef enum card_status_t { 57 CARD_STATUS_OFFLINE, 58 CARD_STATUS_ONLINE 59 } card_status_t; 60 61 /* These are the supported use cases by the hardware. 62 * Each usecase is mapped to a specific PCM device. 63 * Refer to pcm_device_table[]. 64 */ 65 enum { 66 USECASE_INVALID = -1, 67 /* Playback usecases */ 68 USECASE_AUDIO_PLAYBACK_DEEP_BUFFER = 0, 69 USECASE_AUDIO_PLAYBACK_LOW_LATENCY, 70 USECASE_AUDIO_PLAYBACK_MULTI_CH, 71 USECASE_AUDIO_PLAYBACK_OFFLOAD, 72 USECASE_AUDIO_PLAYBACK_TTS, 73 USECASE_AUDIO_PLAYBACK_ULL, 74 75 /* HFP Use case*/ 76 USECASE_AUDIO_HFP_SCO, 77 USECASE_AUDIO_HFP_SCO_WB, 78 79 /* Capture usecases */ 80 USECASE_AUDIO_RECORD, 81 USECASE_AUDIO_RECORD_LOW_LATENCY, 82 83 /* Voice extension usecases 84 * 85 * Following usecase are specific to voice session names created by 86 * MODEM and APPS on 8992/8994/8084/8974 platforms. 87 */ 88 USECASE_VOICE_CALL, /* Usecase setup for voice session on first subscription for DSDS/DSDA */ 89 USECASE_VOICE2_CALL, /* Usecase setup for voice session on second subscription for DSDS/DSDA */ 90 USECASE_VOLTE_CALL, /* Usecase setup for VoLTE session on first subscription */ 91 USECASE_QCHAT_CALL, /* Usecase setup for QCHAT session */ 92 USECASE_VOWLAN_CALL, /* Usecase setup for VoWLAN session */ 93 94 /* 95 * Following usecase are specific to voice session names created by 96 * MODEM and APPS on 8996 platforms. 97 */ 98 99 USECASE_VOICEMMODE1_CALL, /* Usecase setup for Voice/VoLTE/VoWLAN sessions on first 100 * subscription for DSDS/DSDA 101 */ 102 USECASE_VOICEMMODE2_CALL, /* Usecase setup for voice/VoLTE/VoWLAN sessions on second 103 * subscription for DSDS/DSDA 104 */ 105 106 USECASE_INCALL_REC_UPLINK, 107 USECASE_INCALL_REC_DOWNLINK, 108 USECASE_INCALL_REC_UPLINK_AND_DOWNLINK, 109 110 USECASE_AUDIO_SPKR_CALIB_RX, 111 USECASE_AUDIO_SPKR_CALIB_TX, 112 113 USECASE_AUDIO_PLAYBACK_AFE_PROXY, 114 USECASE_AUDIO_RECORD_AFE_PROXY, 115 USECASE_AUDIO_DSM_FEEDBACK, 116 117 AUDIO_USECASE_MAX 118 }; 119 120 const char * const use_case_table[AUDIO_USECASE_MAX]; 121 122 #define ARRAY_SIZE(a) (sizeof(a) / sizeof((a)[0])) 123 124 /* 125 * tinyAlsa library interprets period size as number of frames 126 * one frame = channel_count * sizeof (pcm sample) 127 * so if format = 16-bit PCM and channels = Stereo, frame size = 2 ch * 2 = 4 bytes 128 * DEEP_BUFFER_OUTPUT_PERIOD_SIZE = 1024 means 1024 * 4 = 4096 bytes 129 * We should take care of returning proper size when AudioFlinger queries for 130 * the buffer size of an input/output stream 131 */ 132 133 enum { 134 OFFLOAD_CMD_EXIT, /* exit compress offload thread loop*/ 135 OFFLOAD_CMD_DRAIN, /* send a full drain request to DSP */ 136 OFFLOAD_CMD_PARTIAL_DRAIN, /* send a partial drain request to DSP */ 137 OFFLOAD_CMD_WAIT_FOR_BUFFER, /* wait for buffer released by DSP */ 138 OFFLOAD_CMD_ERROR, /* offload playback hit some error */ 139 }; 140 141 enum { 142 OFFLOAD_STATE_IDLE, 143 OFFLOAD_STATE_PLAYING, 144 OFFLOAD_STATE_PAUSED, 145 }; 146 147 struct offload_cmd { 148 struct listnode node; 149 int cmd; 150 int data[]; 151 }; 152 153 enum { 154 ERROR_CODE_STANDBY, 155 ERROR_CODE_WRITE, 156 }; 157 158 struct error_log_entry { 159 int32_t code; 160 int32_t count; 161 int64_t first_time; 162 int64_t last_time; 163 }; 164 165 struct error_log { 166 uint32_t errors; 167 uint32_t idx; 168 struct error_log_entry entries[ERROR_LOG_ENTRIES]; 169 }; 170 171 struct stream_out { 172 struct audio_stream_out stream; 173 pthread_mutex_t lock; /* see note below on mutex acquisition order */ 174 pthread_mutex_t pre_lock; /* acquire before lock to avoid DOS by playback thread */ 175 pthread_cond_t cond; 176 struct pcm_config config; 177 struct compr_config compr_config; 178 struct pcm *pcm; 179 struct compress *compr; 180 int standby; 181 int pcm_device_id; 182 unsigned int sample_rate; 183 audio_channel_mask_t channel_mask; 184 audio_format_t format; 185 audio_devices_t devices; 186 audio_output_flags_t flags; 187 audio_usecase_t usecase; 188 /* Array of supported channel mask configurations. +1 so that the last entry is always 0 */ 189 audio_channel_mask_t supported_channel_masks[MAX_SUPPORTED_CHANNEL_MASKS + 1]; 190 bool muted; 191 uint64_t written; /* total frames written, not cleared when entering standby */ 192 audio_io_handle_t handle; 193 194 int non_blocking; 195 int playback_started; 196 int offload_state; 197 pthread_cond_t offload_cond; 198 pthread_t offload_thread; 199 struct listnode offload_cmd_list; 200 bool offload_thread_blocked; 201 202 stream_callback_t offload_callback; 203 void *offload_cookie; 204 struct compr_gapless_mdata gapless_mdata; 205 int send_new_metadata; 206 bool realtime; 207 int af_period_multiplier; 208 bool routing_change; 209 struct audio_device *dev; 210 card_status_t card_status; 211 212 struct error_log error_log; 213 }; 214 215 struct stream_in { 216 struct audio_stream_in stream; 217 pthread_mutex_t lock; /* see note below on mutex acquisition order */ 218 pthread_mutex_t pre_lock; /* acquire before lock to avoid DOS by capture thread */ 219 struct pcm_config config; 220 struct pcm *pcm; 221 int standby; 222 int source; 223 int pcm_device_id; 224 audio_devices_t device; 225 audio_channel_mask_t channel_mask; 226 audio_usecase_t usecase; 227 bool enable_aec; 228 bool enable_ns; 229 int64_t frames_read; /* total frames read, not cleared when entering standby */ 230 231 audio_io_handle_t capture_handle; 232 audio_input_flags_t flags; 233 bool is_st_session; 234 bool is_st_session_active; 235 bool realtime; 236 int af_period_multiplier; 237 bool routing_change; 238 struct audio_device *dev; 239 audio_format_t format; 240 card_status_t card_status; 241 }; 242 243 typedef enum { 244 PCM_PLAYBACK, 245 PCM_CAPTURE, 246 VOICE_CALL, 247 PCM_HFP_CALL 248 } usecase_type_t; 249 250 union stream_ptr { 251 struct stream_in *in; 252 struct stream_out *out; 253 }; 254 255 struct audio_usecase { 256 struct listnode list; 257 audio_usecase_t id; 258 usecase_type_t type; 259 audio_devices_t devices; 260 snd_device_t out_snd_device; 261 snd_device_t in_snd_device; 262 union stream_ptr stream; 263 }; 264 265 typedef void* (*adm_init_t)(); 266 typedef void (*adm_deinit_t)(void *); 267 typedef void (*adm_register_output_stream_t)(void *, audio_io_handle_t, audio_output_flags_t); 268 typedef void (*adm_register_input_stream_t)(void *, audio_io_handle_t, audio_input_flags_t); 269 typedef void (*adm_deregister_stream_t)(void *, audio_io_handle_t); 270 typedef void (*adm_request_focus_t)(void *, audio_io_handle_t); 271 typedef void (*adm_abandon_focus_t)(void *, audio_io_handle_t); 272 typedef void (*adm_set_config_t)(void *, audio_io_handle_t, 273 struct pcm *, 274 struct pcm_config *); 275 typedef void (*adm_request_focus_v2_t)(void *, audio_io_handle_t, long); 276 typedef bool (*adm_is_noirq_avail_t)(void *, int, int, int); 277 typedef void (*adm_on_routing_change_t)(void *, audio_io_handle_t); 278 279 struct audio_device { 280 struct audio_hw_device device; 281 pthread_mutex_t lock; /* see note below on mutex acquisition order */ 282 struct mixer *mixer; 283 audio_mode_t mode; 284 struct stream_in *active_input; 285 struct stream_out *primary_output; 286 struct stream_out *voice_tx_output; 287 struct stream_out *current_call_output; 288 bool bluetooth_nrec; 289 bool screen_off; 290 int *snd_dev_ref_cnt; 291 struct listnode usecase_list; 292 struct audio_route *audio_route; 293 int acdb_settings; 294 struct voice voice; 295 unsigned int cur_hdmi_channels; 296 bool bt_wb_speech_enabled; 297 bool mic_muted; 298 bool enable_voicerx; 299 bool enable_hfp; 300 301 int snd_card; 302 void *platform; 303 void *extspk; 304 305 card_status_t card_status; 306 307 void *visualizer_lib; 308 int (*visualizer_start_output)(audio_io_handle_t, int); 309 int (*visualizer_stop_output)(audio_io_handle_t, int); 310 311 /* The pcm_params use_case_table is loaded by adev_verify_devices() upon 312 * calling adev_open(). 313 * 314 * If an entry is not NULL, it can be used to determine if extended precision 315 * or other capabilities are present for the device corresponding to that usecase. 316 */ 317 struct pcm_params *use_case_table[AUDIO_USECASE_MAX]; 318 void *offload_effects_lib; 319 int (*offload_effects_start_output)(audio_io_handle_t, int); 320 int (*offload_effects_stop_output)(audio_io_handle_t, int); 321 322 void *adm_data; 323 void *adm_lib; 324 adm_init_t adm_init; 325 adm_deinit_t adm_deinit; 326 adm_register_input_stream_t adm_register_input_stream; 327 adm_register_output_stream_t adm_register_output_stream; 328 adm_deregister_stream_t adm_deregister_stream; 329 adm_request_focus_t adm_request_focus; 330 adm_abandon_focus_t adm_abandon_focus; 331 adm_set_config_t adm_set_config; 332 adm_request_focus_v2_t adm_request_focus_v2; 333 adm_is_noirq_avail_t adm_is_noirq_avail; 334 adm_on_routing_change_t adm_on_routing_change; 335 336 /* logging */ 337 snd_device_t last_logged_snd_device[AUDIO_USECASE_MAX][2]; /* [out, in] */ 338 }; 339 340 int select_devices(struct audio_device *adev, 341 audio_usecase_t uc_id); 342 343 int disable_audio_route(struct audio_device *adev, 344 struct audio_usecase *usecase); 345 346 int disable_snd_device(struct audio_device *adev, 347 snd_device_t snd_device); 348 349 int enable_snd_device(struct audio_device *adev, 350 snd_device_t snd_device); 351 352 int enable_audio_route(struct audio_device *adev, 353 struct audio_usecase *usecase); 354 355 struct audio_usecase *get_usecase_from_list(struct audio_device *adev, 356 audio_usecase_t uc_id); 357 358 #define LITERAL_TO_STRING(x) #x 359 #define CHECK(condition) LOG_ALWAYS_FATAL_IF(!(condition), "%s",\ 360 __FILE__ ":" LITERAL_TO_STRING(__LINE__)\ 361 " ASSERT_FATAL(" #condition ") failed.") 362 363 /* 364 * NOTE: when multiple mutexes have to be acquired, always take the 365 * stream_in or stream_out mutex first, followed by the audio_device mutex. 366 */ 367 368 #endif // QCOM_AUDIO_HW_H 369
