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 <audio_utils/ErrorLog.h> 29 #include "voice.h" 30 31 // dlopen() does not go through default library path search if there is a "/" in the library name. 32 #ifdef __LP64__ 33 #define VISUALIZER_LIBRARY_PATH "/vendor/lib64/soundfx/libqcomvisualizer.so" 34 #define OFFLOAD_EFFECTS_BUNDLE_LIBRARY_PATH "/vendor/lib64/soundfx/libqcompostprocbundle.so" 35 #else 36 #define VISUALIZER_LIBRARY_PATH "/vendor/lib/soundfx/libqcomvisualizer.so" 37 #define OFFLOAD_EFFECTS_BUNDLE_LIBRARY_PATH "/vendor/lib/soundfx/libqcompostprocbundle.so" 38 #endif 39 #define ADM_LIBRARY_PATH "libadm.so" 40 41 /* Flags used to initialize acdb_settings variable that goes to ACDB library */ 42 #define DMIC_FLAG 0x00000002 43 #define TTY_MODE_OFF 0x00000010 44 #define TTY_MODE_FULL 0x00000020 45 #define TTY_MODE_VCO 0x00000040 46 #define TTY_MODE_HCO 0x00000080 47 #define TTY_MODE_CLEAR 0xFFFFFF0F 48 49 #define ACDB_DEV_TYPE_OUT 1 50 #define ACDB_DEV_TYPE_IN 2 51 52 #define MAX_SUPPORTED_CHANNEL_MASKS 8 53 #define MAX_SUPPORTED_FORMATS 15 54 #define MAX_SUPPORTED_SAMPLE_RATES 7 55 #define DEFAULT_HDMI_OUT_CHANNELS 2 56 57 #define ERROR_LOG_ENTRIES 16 58 59 /* Error types for the error log */ 60 enum { 61 ERROR_CODE_STANDBY = 1, 62 ERROR_CODE_WRITE, 63 ERROR_CODE_READ, 64 }; 65 66 typedef enum card_status_t { 67 CARD_STATUS_OFFLINE, 68 CARD_STATUS_ONLINE 69 } card_status_t; 70 71 /* These are the supported use cases by the hardware. 72 * Each usecase is mapped to a specific PCM device. 73 * Refer to pcm_device_table[]. 74 */ 75 enum { 76 USECASE_INVALID = -1, 77 /* Playback usecases */ 78 USECASE_AUDIO_PLAYBACK_DEEP_BUFFER = 0, 79 USECASE_AUDIO_PLAYBACK_LOW_LATENCY, 80 USECASE_AUDIO_PLAYBACK_HIFI, 81 USECASE_AUDIO_PLAYBACK_OFFLOAD, 82 USECASE_AUDIO_PLAYBACK_TTS, 83 USECASE_AUDIO_PLAYBACK_ULL, 84 USECASE_AUDIO_PLAYBACK_MMAP, 85 86 /* HFP Use case*/ 87 USECASE_AUDIO_HFP_SCO, 88 USECASE_AUDIO_HFP_SCO_WB, 89 90 /* Capture usecases */ 91 USECASE_AUDIO_RECORD, 92 USECASE_AUDIO_RECORD_LOW_LATENCY, 93 USECASE_AUDIO_RECORD_MMAP, 94 USECASE_AUDIO_RECORD_HIFI, 95 96 /* Voice extension usecases 97 * 98 * Following usecase are specific to voice session names created by 99 * MODEM and APPS on 8992/8994/8084/8974 platforms. 100 */ 101 USECASE_VOICE_CALL, /* Usecase setup for voice session on first subscription for DSDS/DSDA */ 102 USECASE_VOICE2_CALL, /* Usecase setup for voice session on second subscription for DSDS/DSDA */ 103 USECASE_VOLTE_CALL, /* Usecase setup for VoLTE session on first subscription */ 104 USECASE_QCHAT_CALL, /* Usecase setup for QCHAT session */ 105 USECASE_VOWLAN_CALL, /* Usecase setup for VoWLAN session */ 106 107 /* 108 * Following usecase are specific to voice session names created by 109 * MODEM and APPS on 8996 platforms. 110 */ 111 112 USECASE_VOICEMMODE1_CALL, /* Usecase setup for Voice/VoLTE/VoWLAN sessions on first 113 * subscription for DSDS/DSDA 114 */ 115 USECASE_VOICEMMODE2_CALL, /* Usecase setup for voice/VoLTE/VoWLAN sessions on second 116 * subscription for DSDS/DSDA 117 */ 118 119 USECASE_INCALL_REC_UPLINK, 120 USECASE_INCALL_REC_DOWNLINK, 121 USECASE_INCALL_REC_UPLINK_AND_DOWNLINK, 122 123 USECASE_AUDIO_SPKR_CALIB_RX, 124 USECASE_AUDIO_SPKR_CALIB_TX, 125 126 USECASE_AUDIO_PLAYBACK_AFE_PROXY, 127 USECASE_AUDIO_RECORD_AFE_PROXY, 128 USECASE_AUDIO_DSM_FEEDBACK, 129 130 /* VOIP usecase*/ 131 USECASE_AUDIO_PLAYBACK_VOIP, 132 USECASE_AUDIO_RECORD_VOIP, 133 134 AUDIO_USECASE_MAX 135 }; 136 137 const char * const use_case_table[AUDIO_USECASE_MAX]; 138 139 #define ARRAY_SIZE(a) (sizeof(a) / sizeof((a)[0])) 140 141 /* 142 * tinyAlsa library interprets period size as number of frames 143 * one frame = channel_count * sizeof (pcm sample) 144 * so if format = 16-bit PCM and channels = Stereo, frame size = 2 ch * 2 = 4 bytes 145 * DEEP_BUFFER_OUTPUT_PERIOD_SIZE = 1024 means 1024 * 4 = 4096 bytes 146 * We should take care of returning proper size when AudioFlinger queries for 147 * the buffer size of an input/output stream 148 */ 149 150 enum { 151 OFFLOAD_CMD_EXIT, /* exit compress offload thread loop*/ 152 OFFLOAD_CMD_DRAIN, /* send a full drain request to DSP */ 153 OFFLOAD_CMD_PARTIAL_DRAIN, /* send a partial drain request to DSP */ 154 OFFLOAD_CMD_WAIT_FOR_BUFFER, /* wait for buffer released by DSP */ 155 OFFLOAD_CMD_ERROR, /* offload playback hit some error */ 156 }; 157 158 enum { 159 OFFLOAD_STATE_IDLE, 160 OFFLOAD_STATE_PLAYING, 161 OFFLOAD_STATE_PAUSED, 162 }; 163 164 struct offload_cmd { 165 struct listnode node; 166 int cmd; 167 int data[]; 168 }; 169 170 struct stream_app_type_cfg { 171 int sample_rate; 172 uint32_t bit_width; // unused 173 const char *mode; 174 int app_type; 175 int gain[2]; 176 }; 177 178 struct stream_out { 179 struct audio_stream_out stream; 180 pthread_mutex_t lock; /* see note below on mutex acquisition order */ 181 pthread_mutex_t pre_lock; /* acquire before lock to avoid DOS by playback thread */ 182 pthread_cond_t cond; 183 struct pcm_config config; 184 struct compr_config compr_config; 185 struct pcm *pcm; 186 struct compress *compr; 187 int standby; 188 int pcm_device_id; 189 unsigned int sample_rate; 190 audio_channel_mask_t channel_mask; 191 audio_format_t format; 192 audio_devices_t devices; 193 audio_output_flags_t flags; 194 audio_usecase_t usecase; 195 /* Array of supported channel mask configurations. +1 so that the last entry is always 0 */ 196 audio_channel_mask_t supported_channel_masks[MAX_SUPPORTED_CHANNEL_MASKS + 1]; 197 audio_format_t supported_formats[MAX_SUPPORTED_FORMATS + 1]; 198 uint32_t supported_sample_rates[MAX_SUPPORTED_SAMPLE_RATES + 1]; 199 bool muted; 200 uint64_t written; /* total frames written, not cleared when entering standby */ 201 audio_io_handle_t handle; 202 203 int non_blocking; 204 int playback_started; 205 int offload_state; 206 pthread_cond_t offload_cond; 207 pthread_t offload_thread; 208 struct listnode offload_cmd_list; 209 bool offload_thread_blocked; 210 211 stream_callback_t offload_callback; 212 void *offload_cookie; 213 struct compr_gapless_mdata gapless_mdata; 214 int send_new_metadata; 215 bool realtime; 216 int af_period_multiplier; 217 struct audio_device *dev; 218 card_status_t card_status; 219 220 error_log_t *error_log; 221 222 struct stream_app_type_cfg app_type_cfg; 223 }; 224 225 struct stream_in { 226 struct audio_stream_in stream; 227 pthread_mutex_t lock; /* see note below on mutex acquisition order */ 228 pthread_mutex_t pre_lock; /* acquire before lock to avoid DOS by capture thread */ 229 struct pcm_config config; 230 struct pcm *pcm; 231 int standby; 232 int source; 233 int pcm_device_id; 234 audio_devices_t device; 235 audio_channel_mask_t channel_mask; 236 unsigned int sample_rate; 237 audio_usecase_t usecase; 238 bool enable_aec; 239 bool enable_ns; 240 int64_t frames_read; /* total frames read, not cleared when entering standby */ 241 int64_t frames_muted; /* total frames muted, not cleared when entering standby */ 242 243 audio_io_handle_t capture_handle; 244 audio_input_flags_t flags; 245 bool is_st_session; 246 bool is_st_session_active; 247 bool realtime; 248 int af_period_multiplier; 249 struct audio_device *dev; 250 audio_format_t format; 251 card_status_t card_status; 252 int capture_started; 253 254 struct stream_app_type_cfg app_type_cfg; 255 256 /* Array of supported channel mask configurations. 257 +1 so that the last entry is always 0 */ 258 audio_channel_mask_t supported_channel_masks[MAX_SUPPORTED_CHANNEL_MASKS + 1]; 259 audio_format_t supported_formats[MAX_SUPPORTED_FORMATS + 1]; 260 uint32_t supported_sample_rates[MAX_SUPPORTED_SAMPLE_RATES + 1]; 261 262 error_log_t *error_log; 263 }; 264 265 typedef enum usecase_type_t { 266 PCM_PLAYBACK, 267 PCM_CAPTURE, 268 VOICE_CALL, 269 PCM_HFP_CALL, 270 USECASE_TYPE_MAX 271 } usecase_type_t; 272 273 union stream_ptr { 274 struct stream_in *in; 275 struct stream_out *out; 276 }; 277 278 struct audio_usecase { 279 struct listnode list; 280 audio_usecase_t id; 281 usecase_type_t type; 282 audio_devices_t devices; 283 snd_device_t out_snd_device; 284 snd_device_t in_snd_device; 285 union stream_ptr stream; 286 }; 287 288 typedef void* (*adm_init_t)(); 289 typedef void (*adm_deinit_t)(void *); 290 typedef void (*adm_register_output_stream_t)(void *, audio_io_handle_t, audio_output_flags_t); 291 typedef void (*adm_register_input_stream_t)(void *, audio_io_handle_t, audio_input_flags_t); 292 typedef void (*adm_deregister_stream_t)(void *, audio_io_handle_t); 293 typedef void (*adm_request_focus_t)(void *, audio_io_handle_t); 294 typedef void (*adm_abandon_focus_t)(void *, audio_io_handle_t); 295 typedef void (*adm_set_config_t)(void *, audio_io_handle_t, 296 struct pcm *, 297 struct pcm_config *); 298 typedef void (*adm_request_focus_v2_t)(void *, audio_io_handle_t, long); 299 typedef bool (*adm_is_noirq_avail_t)(void *, int, int, int); 300 typedef void (*adm_on_routing_change_t)(void *, audio_io_handle_t); 301 302 struct audio_device { 303 struct audio_hw_device device; 304 pthread_mutex_t lock; /* see note below on mutex acquisition order */ 305 struct mixer *mixer; 306 audio_mode_t mode; 307 struct stream_in *active_input; 308 struct stream_out *primary_output; 309 struct stream_out *voice_tx_output; 310 struct stream_out *current_call_output; 311 bool bluetooth_nrec; 312 bool screen_off; 313 int *snd_dev_ref_cnt; 314 struct listnode usecase_list; 315 struct audio_route *audio_route; 316 int acdb_settings; 317 struct voice voice; 318 unsigned int cur_hdmi_channels; 319 bool bt_wb_speech_enabled; 320 bool mic_muted; 321 bool enable_voicerx; 322 bool enable_hfp; 323 324 int snd_card; 325 void *platform; 326 void *extspk; 327 328 card_status_t card_status; 329 330 void *visualizer_lib; 331 int (*visualizer_start_output)(audio_io_handle_t, int); 332 int (*visualizer_stop_output)(audio_io_handle_t, int); 333 334 /* The pcm_params use_case_table is loaded by adev_verify_devices() upon 335 * calling adev_open(). 336 * 337 * If an entry is not NULL, it can be used to determine if extended precision 338 * or other capabilities are present for the device corresponding to that usecase. 339 */ 340 struct pcm_params *use_case_table[AUDIO_USECASE_MAX]; 341 void *offload_effects_lib; 342 int (*offload_effects_start_output)(audio_io_handle_t, int); 343 int (*offload_effects_stop_output)(audio_io_handle_t, int); 344 345 void *adm_data; 346 void *adm_lib; 347 adm_init_t adm_init; 348 adm_deinit_t adm_deinit; 349 adm_register_input_stream_t adm_register_input_stream; 350 adm_register_output_stream_t adm_register_output_stream; 351 adm_deregister_stream_t adm_deregister_stream; 352 adm_request_focus_t adm_request_focus; 353 adm_abandon_focus_t adm_abandon_focus; 354 adm_set_config_t adm_set_config; 355 adm_request_focus_v2_t adm_request_focus_v2; 356 adm_is_noirq_avail_t adm_is_noirq_avail; 357 adm_on_routing_change_t adm_on_routing_change; 358 359 /* logging */ 360 snd_device_t last_logged_snd_device[AUDIO_USECASE_MAX][2]; /* [out, in] */ 361 }; 362 363 int select_devices(struct audio_device *adev, 364 audio_usecase_t uc_id); 365 366 int disable_audio_route(struct audio_device *adev, 367 struct audio_usecase *usecase); 368 369 int disable_snd_device(struct audio_device *adev, 370 snd_device_t snd_device); 371 372 int enable_snd_device(struct audio_device *adev, 373 snd_device_t snd_device); 374 375 int enable_audio_route(struct audio_device *adev, 376 struct audio_usecase *usecase); 377 378 struct audio_usecase *get_usecase_from_list(struct audio_device *adev, 379 audio_usecase_t uc_id); 380 381 #define LITERAL_TO_STRING(x) #x 382 #define CHECK(condition) LOG_ALWAYS_FATAL_IF(!(condition), "%s",\ 383 __FILE__ ":" LITERAL_TO_STRING(__LINE__)\ 384 " ASSERT_FATAL(" #condition ") failed.") 385 386 /* 387 * NOTE: when multiple mutexes have to be acquired, always take the 388 * stream_in or stream_out mutex first, followed by the audio_device mutex. 389 */ 390 391 #endif // QCOM_AUDIO_HW_H 392