audio_hw.c revision 778bf121b16f3bd87d4c8b4deaa577f5d2061733
1/* 2 * Copyright (C) 2013 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#define LOG_TAG "audio_hw_primary" 18/*#define LOG_NDEBUG 0*/ 19 20#include <errno.h> 21#include <pthread.h> 22#include <stdint.h> 23#include <sys/time.h> 24#include <stdlib.h> 25#include <dlfcn.h> 26#include <math.h> 27 28#include <cutils/log.h> 29#include <cutils/str_parms.h> 30#include <cutils/properties.h> 31 32#include "audio_hw.h" 33 34#define LIB_ACDB_LOADER "/system/lib/libacdbloader.so" 35#define LIB_CSD_CLIENT "/system/lib/libcsd-client.so" 36#define MIXER_XML_PATH "/system/etc/mixer_paths.xml" 37#define MIXER_CARD 0 38 39#define STRING_TO_ENUM(string) { #string, string } 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 49struct string_to_enum { 50 const char *name; 51 uint32_t value; 52}; 53 54static const struct string_to_enum out_channels_name_to_enum_table[] = { 55 STRING_TO_ENUM(AUDIO_CHANNEL_OUT_STEREO), 56 STRING_TO_ENUM(AUDIO_CHANNEL_OUT_5POINT1), 57 STRING_TO_ENUM(AUDIO_CHANNEL_OUT_7POINT1), 58}; 59 60static const char * const use_case_table[AUDIO_USECASE_MAX] = { 61 [USECASE_AUDIO_PLAYBACK_DEEP_BUFFER] = "deep-buffer-playback", 62 [USECASE_AUDIO_PLAYBACK_LOW_LATENCY] = "low-latency-playback", 63 [USECASE_AUDIO_PLAYBACK_MULTI_CH] = "multi-channel-playback", 64 [USECASE_AUDIO_RECORD] = "audio-record", 65 [USECASE_AUDIO_RECORD_LOW_LATENCY] = "low-latency-record", 66 [USECASE_VOICE_CALL] = "voice-call", 67}; 68 69static const int pcm_device_table[AUDIO_USECASE_MAX][2] = { 70 [USECASE_AUDIO_PLAYBACK_DEEP_BUFFER] = {0, 0}, 71 [USECASE_AUDIO_PLAYBACK_LOW_LATENCY] = {14, 14}, 72 [USECASE_AUDIO_PLAYBACK_MULTI_CH] = {1, 1}, 73 [USECASE_AUDIO_RECORD] = {0, 0}, 74 [USECASE_AUDIO_RECORD_LOW_LATENCY] = {14, 14}, 75 [USECASE_VOICE_CALL] = {12, 12}, 76}; 77 78/* Array to store sound devices */ 79static const char * const device_table[SND_DEVICE_ALL] = { 80 /* Playback sound devices */ 81 [SND_DEVICE_OUT_HANDSET] = "handset", 82 [SND_DEVICE_OUT_SPEAKER] = "speaker", 83 [SND_DEVICE_OUT_HEADPHONES] = "headphones", 84 [SND_DEVICE_OUT_SPEAKER_AND_HEADPHONES] = "speaker-and-headphones", 85 [SND_DEVICE_OUT_VOICE_SPEAKER] = "voice-speaker", 86 [SND_DEVICE_OUT_VOICE_HEADPHONES] = "voice-headphones", 87 [SND_DEVICE_OUT_HDMI] = "hdmi", 88 [SND_DEVICE_OUT_SPEAKER_AND_HDMI] = "speaker-and-hdmi", 89 [SND_DEVICE_OUT_BT_SCO] = "bt-sco-headset", 90 [SND_DEVICE_OUT_VOICE_HANDSET_TMUS] = "voice-handset-tmus", 91 [SND_DEVICE_OUT_VOICE_TTY_FULL_HEADPHONES] = "voice-tty-full-headphones", 92 [SND_DEVICE_OUT_VOICE_TTY_VCO_HEADPHONES] = "voice-tty-vco-headphones", 93 [SND_DEVICE_OUT_VOICE_TTY_HCO_HANDSET] = "voice-tty-hco-handset", 94 95 /* Capture sound devices */ 96 [SND_DEVICE_IN_HANDSET_MIC] = "handset-mic", 97 [SND_DEVICE_IN_SPEAKER_MIC] = "speaker-mic", 98 [SND_DEVICE_IN_HEADSET_MIC] = "headset-mic", 99 [SND_DEVICE_IN_VOICE_SPEAKER_MIC] = "voice-speaker-mic", 100 [SND_DEVICE_IN_VOICE_HEADSET_MIC] = "voice-headset-mic", 101 [SND_DEVICE_IN_HDMI_MIC] = "hdmi-mic", 102 [SND_DEVICE_IN_BT_SCO_MIC] = "bt-sco-mic", 103 [SND_DEVICE_IN_CAMCORDER_MIC] = "camcorder-mic", 104 [SND_DEVICE_IN_VOICE_DMIC_EF] = "voice-dmic-ef", 105 [SND_DEVICE_IN_VOICE_DMIC_BS] = "voice-dmic-bs", 106 [SND_DEVICE_IN_VOICE_DMIC_EF_TMUS] = "voice-dmic-ef-tmus", 107 [SND_DEVICE_IN_VOICE_SPEAKER_DMIC_EF] = "voice-speaker-dmic-ef", 108 [SND_DEVICE_IN_VOICE_SPEAKER_DMIC_BS] = "voice-speaker-dmic-bs", 109 [SND_DEVICE_IN_VOICE_TTY_FULL_HEADSET_MIC] = "voice-tty-full-headset-mic", 110 [SND_DEVICE_IN_VOICE_TTY_VCO_HANDSET_MIC] = "voice-tty-vco-handset-mic", 111 [SND_DEVICE_IN_VOICE_TTY_HCO_HEADSET_MIC] = "voice-tty-hco-headset-mic", 112 [SND_DEVICE_IN_VOICE_REC_MIC] = "voice-rec-mic", 113 [SND_DEVICE_IN_VOICE_REC_DMIC_EF] = "voice-rec-dmic-ef", 114 [SND_DEVICE_IN_VOICE_REC_DMIC_BS] = "voice-rec-dmic-bs", 115 [SND_DEVICE_IN_VOICE_REC_DMIC_EF_FLUENCE] = "voice-rec-dmic-ef-fluence", 116 [SND_DEVICE_IN_VOICE_REC_DMIC_BS_FLUENCE] = "voice-rec-dmic-bs-fluence", 117}; 118 119/* ACDB IDs (audio DSP path configuration IDs) for each sound device */ 120static const int acdb_device_table[SND_DEVICE_ALL] = { 121 [SND_DEVICE_OUT_HANDSET] = 7, 122 [SND_DEVICE_OUT_SPEAKER] = 14, 123 [SND_DEVICE_OUT_HEADPHONES] = 10, 124 [SND_DEVICE_OUT_SPEAKER_AND_HEADPHONES] = 10, 125 [SND_DEVICE_OUT_VOICE_SPEAKER] = 14, 126 [SND_DEVICE_OUT_VOICE_HEADPHONES] = 10, 127 [SND_DEVICE_OUT_HDMI] = 18, 128 [SND_DEVICE_OUT_SPEAKER_AND_HDMI] = 14, 129 [SND_DEVICE_OUT_BT_SCO] = 22, 130 [SND_DEVICE_OUT_VOICE_HANDSET_TMUS] = 81, 131 [SND_DEVICE_OUT_VOICE_TTY_FULL_HEADPHONES] = 17, 132 [SND_DEVICE_OUT_VOICE_TTY_VCO_HEADPHONES] = 17, 133 [SND_DEVICE_OUT_VOICE_TTY_HCO_HANDSET] = 37, 134 135 [SND_DEVICE_IN_HANDSET_MIC] = 4, 136 [SND_DEVICE_IN_SPEAKER_MIC] = 4, 137 [SND_DEVICE_IN_HEADSET_MIC] = 8, 138 [SND_DEVICE_IN_VOICE_SPEAKER_MIC] = 11, 139 [SND_DEVICE_IN_VOICE_HEADSET_MIC] = 8, 140 [SND_DEVICE_IN_HDMI_MIC] = 4, 141 [SND_DEVICE_IN_BT_SCO_MIC] = 21, 142 [SND_DEVICE_IN_CAMCORDER_MIC] = 61, 143 [SND_DEVICE_IN_VOICE_DMIC_EF] = 6, 144 [SND_DEVICE_IN_VOICE_DMIC_BS] = 5, 145 [SND_DEVICE_IN_VOICE_DMIC_EF_TMUS] = 91, 146 [SND_DEVICE_IN_VOICE_SPEAKER_DMIC_EF] = 13, 147 [SND_DEVICE_IN_VOICE_SPEAKER_DMIC_BS] = 12, 148 [SND_DEVICE_IN_VOICE_TTY_FULL_HEADSET_MIC] = 16, 149 [SND_DEVICE_IN_VOICE_TTY_VCO_HANDSET_MIC] = 36, 150 [SND_DEVICE_IN_VOICE_TTY_HCO_HEADSET_MIC] = 16, 151 [SND_DEVICE_IN_VOICE_REC_MIC] = 62, 152 [SND_DEVICE_IN_VOICE_REC_DMIC_EF] = 62, 153 [SND_DEVICE_IN_VOICE_REC_DMIC_BS] = 62, 154 [SND_DEVICE_IN_VOICE_REC_DMIC_EF_FLUENCE] = 62, 155 [SND_DEVICE_IN_VOICE_REC_DMIC_BS_FLUENCE] = 62, 156}; 157 158int edid_get_max_channels(void); 159 160static int get_pcm_device_id(struct audio_route *ar, 161 audio_usecase_t usecase, 162 int device_type) 163{ 164 ALOGV("%s: enter: usecase(%d)", __func__, usecase); 165 int device_id; 166 if (device_type == PCM_PLAYBACK) 167 device_id = pcm_device_table[usecase][0]; 168 else 169 device_id = pcm_device_table[usecase][1]; 170 ALOGV("%s: exit: device_id(%d)", __func__, device_id); 171 return device_id; 172} 173 174static int get_acdb_device_id(snd_device_t snd_device) 175{ 176 ALOGV("%s: enter: snd_devie(%d)", __func__, snd_device); 177 int acdb_dev_id = acdb_device_table[snd_device]; 178 ALOGV("%s: exit: acdb_dev_id(%d)", __func__, acdb_dev_id); 179 return acdb_dev_id; 180} 181 182static void add_backend_name(char *mixer_path, 183 snd_device_t snd_device) 184{ 185 if (snd_device == SND_DEVICE_OUT_HDMI || 186 snd_device == SND_DEVICE_IN_HDMI_MIC) 187 strcat(mixer_path, " hdmi"); 188 else if(snd_device == SND_DEVICE_OUT_BT_SCO || 189 snd_device == SND_DEVICE_IN_BT_SCO_MIC) 190 strcat(mixer_path, " bt-sco"); 191 else if (snd_device == SND_DEVICE_OUT_SPEAKER_AND_HDMI) 192 strcat(mixer_path, " speaker-and-hdmi"); 193} 194 195static int enable_audio_route(struct audio_route *ar, 196 audio_usecase_t usecase, 197 snd_device_t snd_device) 198{ 199 ALOGV("%s: enter: usecase(%d) snd_device(%d)", 200 __func__, usecase, snd_device); 201 char mixer_path[50]; 202 strcpy(mixer_path, use_case_table[usecase]); 203 add_backend_name(mixer_path, snd_device); 204 audio_route_apply_path(ar, mixer_path); 205 ALOGV("%s: exit", __func__); 206 return 0; 207} 208 209static int disable_audio_route(struct audio_route *ar, 210 audio_usecase_t usecase, 211 snd_device_t snd_device) 212{ 213 ALOGV("%s: enter: usecase(%d) snd_device(%d)", 214 __func__, usecase, snd_device); 215 char mixer_path[50]; 216 strcpy(mixer_path, use_case_table[usecase]); 217 add_backend_name(mixer_path, snd_device); 218 audio_route_reset_path(ar, mixer_path); 219 ALOGV("%s: exit", __func__); 220 return 0; 221} 222 223static int enable_snd_device(struct audio_device *adev, 224 snd_device_t snd_device) 225{ 226 int acdb_dev_id, acdb_dev_type; 227 228 ALOGV("%s: enter: snd_device(%d)", __func__, snd_device); 229 acdb_dev_id = get_acdb_device_id(snd_device); 230 if (acdb_dev_id < 0) { 231 ALOGE("%s: Could not find acdb id for device(%d)", 232 __func__, snd_device); 233 return -EINVAL; 234 } 235 if (snd_device >= SND_DEVICE_OUT_BEGIN && 236 snd_device < SND_DEVICE_OUT_END) { 237 acdb_dev_type = ACDB_DEV_TYPE_OUT; 238 } else { 239 acdb_dev_type = ACDB_DEV_TYPE_IN; 240 } 241 if (adev->acdb_send_audio_cal) { 242 ALOGV("%s: sending audio calibration for snd_device(%d) acdb_id(%d)", 243 __func__, snd_device, acdb_dev_id); 244 adev->acdb_send_audio_cal(acdb_dev_id, acdb_dev_type); 245 } else { 246 ALOGW("%s: Could find the symbol acdb_send_audio_cal from %s", 247 __func__, LIB_ACDB_LOADER); 248 } 249 250 audio_route_apply_path(adev->audio_route, device_table[snd_device]); 251 ALOGV("%s: exit", __func__); 252 return 0; 253} 254 255static int disable_snd_device(struct audio_route *ar, 256 snd_device_t snd_device) 257{ 258 ALOGV("%s: enter: snd_device(%d)", __func__, snd_device); 259 audio_route_reset_path(ar, device_table[snd_device]); 260 ALOGV("%s: exit", __func__); 261 return 0; 262} 263 264static int set_hdmi_channels(struct mixer *mixer, 265 int channel_count) 266{ 267 struct mixer_ctl *ctl; 268 const char *channel_cnt_str = NULL; 269 const char *mixer_ctl_name = "HDMI_RX Channels"; 270 switch (channel_count) { 271 case 8: 272 channel_cnt_str = "Eight"; break; 273 case 7: 274 channel_cnt_str = "Seven"; break; 275 case 6: 276 channel_cnt_str = "Six"; break; 277 case 5: 278 channel_cnt_str = "Five"; break; 279 case 4: 280 channel_cnt_str = "Four"; break; 281 case 3: 282 channel_cnt_str = "Three"; break; 283 default: 284 channel_cnt_str = "Two"; break; 285 } 286 ctl = mixer_get_ctl_by_name(mixer, mixer_ctl_name); 287 if (!ctl) { 288 ALOGE("%s: Could not get ctl for mixer cmd - %s", 289 __func__, mixer_ctl_name); 290 return -EINVAL; 291 } 292 ALOGV("HDMI channel count: %s", channel_cnt_str); 293 mixer_ctl_set_enum_by_string(ctl, channel_cnt_str); 294 return 0; 295} 296 297/* must be called with hw device mutex locked */ 298static void read_hdmi_channel_masks(struct stream_out *out) 299{ 300 int channels = edid_get_max_channels(); 301 ALOGE("%s: enter", __func__); 302 303 switch (channels) { 304 /* 305 * Do not handle stereo output in Multi-channel cases 306 * Stereo case is handled in normal playback path 307 */ 308 case 6: 309 ALOGV("%s: HDMI supports 5.1", __func__); 310 out->supported_channel_masks[0] = AUDIO_CHANNEL_OUT_5POINT1; 311 break; 312 case 8: 313 ALOGV("%s: HDMI supports 5.1 and 7.1 channels", __func__); 314 out->supported_channel_masks[0] = AUDIO_CHANNEL_OUT_5POINT1; 315 out->supported_channel_masks[1] = AUDIO_CHANNEL_OUT_7POINT1; 316 break; 317 default: 318 ALOGE("Unsupported number of channels (%d)", channels); 319 break; 320 } 321 322 ALOGE("%s: exit", __func__); 323} 324 325static snd_device_t get_output_snd_device(struct audio_device *adev) 326{ 327 audio_source_t source = (adev->active_input == NULL) ? 328 AUDIO_SOURCE_DEFAULT : adev->active_input->source; 329 audio_mode_t mode = adev->mode; 330 audio_devices_t devices = adev->out_device; 331 snd_device_t snd_device = SND_DEVICE_INVALID; 332 333 ALOGV("%s: enter: output devices(0x%x)", __func__, devices); 334 if (devices == AUDIO_DEVICE_NONE || 335 devices & AUDIO_DEVICE_BIT_IN) { 336 ALOGV("%s: Invalid output devices (0x%x)", __func__, devices); 337 goto exit; 338 } 339 340 if (mode == AUDIO_MODE_IN_CALL) { 341 if (devices & AUDIO_DEVICE_OUT_WIRED_HEADPHONE || 342 devices & AUDIO_DEVICE_OUT_WIRED_HEADSET) { 343 if (adev->tty_mode == TTY_MODE_FULL) 344 snd_device = SND_DEVICE_OUT_VOICE_TTY_FULL_HEADPHONES; 345 else if (adev->tty_mode == TTY_MODE_VCO) 346 snd_device = SND_DEVICE_OUT_VOICE_TTY_VCO_HEADPHONES; 347 else if (adev->tty_mode == TTY_MODE_HCO) 348 snd_device = SND_DEVICE_OUT_VOICE_TTY_HCO_HANDSET; 349 else 350 snd_device = SND_DEVICE_OUT_VOICE_HEADPHONES; 351 } else if (devices & AUDIO_DEVICE_OUT_ALL_SCO) { 352 snd_device = SND_DEVICE_OUT_BT_SCO; 353 } else if (devices & AUDIO_DEVICE_OUT_SPEAKER) { 354 snd_device = SND_DEVICE_OUT_VOICE_SPEAKER; 355 } else if (devices & AUDIO_DEVICE_OUT_EARPIECE) { 356 if (adev->is_tmus) 357 snd_device = SND_DEVICE_OUT_VOICE_HANDSET_TMUS; 358 else 359 snd_device = SND_DEVICE_OUT_HANDSET; 360 } 361 if (snd_device != SND_DEVICE_INVALID) { 362 goto exit; 363 } 364 } 365 366 if (popcount(devices) == 2) { 367 if (devices == (AUDIO_DEVICE_OUT_WIRED_HEADPHONE | 368 AUDIO_DEVICE_OUT_SPEAKER)) { 369 snd_device = SND_DEVICE_OUT_SPEAKER_AND_HEADPHONES; 370 } else if (devices == (AUDIO_DEVICE_OUT_WIRED_HEADSET | 371 AUDIO_DEVICE_OUT_SPEAKER)) { 372 snd_device = SND_DEVICE_OUT_SPEAKER_AND_HEADPHONES; 373 } else if (devices == (AUDIO_DEVICE_OUT_WIRED_HEADSET | 374 AUDIO_DEVICE_OUT_WIRED_HEADPHONE)) { 375 snd_device = SND_DEVICE_OUT_HEADPHONES; 376 } else if (devices == (AUDIO_DEVICE_OUT_AUX_DIGITAL | 377 AUDIO_DEVICE_OUT_SPEAKER)) { 378 snd_device = SND_DEVICE_OUT_SPEAKER_AND_HDMI; 379 } else { 380 ALOGE("%s: Invalid combo device(0x%x)", __func__, devices); 381 goto exit; 382 } 383 if (snd_device != SND_DEVICE_INVALID) { 384 goto exit; 385 } 386 } 387 388 if (popcount(devices) == 3) { 389 if (devices == (AUDIO_DEVICE_OUT_WIRED_HEADPHONE | 390 AUDIO_DEVICE_OUT_WIRED_HEADSET | 391 AUDIO_DEVICE_OUT_SPEAKER)) { 392 snd_device = SND_DEVICE_OUT_SPEAKER_AND_HEADPHONES; 393 } else { 394 ALOGE("%s: Invalid combo device(0x%x)", __func__, devices); 395 } 396 goto exit; 397 } 398 399 if (popcount(devices) != 1) { 400 ALOGE("%s: Invalid output devices(0x%x)", __func__, devices); 401 goto exit; 402 } 403 404 if (devices & AUDIO_DEVICE_OUT_WIRED_HEADPHONE || 405 devices & AUDIO_DEVICE_OUT_WIRED_HEADSET) { 406 snd_device = SND_DEVICE_OUT_HEADPHONES; 407 } else if (devices & AUDIO_DEVICE_OUT_SPEAKER) { 408 snd_device = SND_DEVICE_OUT_SPEAKER; 409 } else if (devices & AUDIO_DEVICE_OUT_ALL_SCO) { 410 snd_device = SND_DEVICE_OUT_BT_SCO; 411 } else if (devices & AUDIO_DEVICE_OUT_AUX_DIGITAL) { 412 snd_device = SND_DEVICE_OUT_HDMI ; 413 } else if (devices & AUDIO_DEVICE_OUT_EARPIECE) { 414 snd_device = SND_DEVICE_OUT_HANDSET; 415 } else { 416 ALOGE("%s: Unknown device(s) 0x%x", __func__, devices); 417 } 418exit: 419 ALOGV("%s: exit: snd_device(%s)", __func__, 420 (snd_device == SND_DEVICE_INVALID) ? 421 "none" : device_table[snd_device]); 422 return snd_device; 423} 424 425static snd_device_t get_input_snd_device(struct audio_device *adev) 426{ 427 audio_source_t source = (adev->active_input == NULL) ? 428 AUDIO_SOURCE_DEFAULT : adev->active_input->source; 429 430 audio_mode_t mode = adev->mode; 431 audio_devices_t out_device = adev->out_device; 432 audio_devices_t in_device = ((adev->active_input == NULL) ? 433 AUDIO_DEVICE_NONE : adev->active_input->device) 434 & ~AUDIO_DEVICE_BIT_IN; 435 audio_channel_mask_t channel_mask = (adev->active_input == NULL) ? 436 AUDIO_CHANNEL_IN_MONO : adev->active_input->channel_mask; 437 snd_device_t snd_device = SND_DEVICE_INVALID; 438 439 ALOGV("%s: enter: out_device(0x%x) in_device(0x%x)", 440 __func__, out_device, in_device); 441 if (mode == AUDIO_MODE_IN_CALL) { 442 if (out_device == AUDIO_DEVICE_NONE) { 443 ALOGE("%s: No output device set for voice call", __func__); 444 goto exit; 445 } 446 if (adev->tty_mode != TTY_MODE_OFF) { 447 if (out_device & AUDIO_DEVICE_OUT_WIRED_HEADPHONE || 448 out_device & AUDIO_DEVICE_OUT_WIRED_HEADSET) { 449 switch (adev->tty_mode) { 450 case TTY_MODE_FULL: 451 snd_device = SND_DEVICE_IN_VOICE_TTY_FULL_HEADSET_MIC; 452 break; 453 case TTY_MODE_VCO: 454 snd_device = SND_DEVICE_IN_VOICE_TTY_VCO_HANDSET_MIC; 455 break; 456 case TTY_MODE_HCO: 457 snd_device = SND_DEVICE_IN_VOICE_TTY_HCO_HEADSET_MIC; 458 break; 459 default: 460 ALOGE("%s: Invalid TTY mode (0x%x)", __func__, adev->tty_mode); 461 } 462 goto exit; 463 } 464 } 465 if (out_device & AUDIO_DEVICE_OUT_EARPIECE || 466 out_device & AUDIO_DEVICE_OUT_WIRED_HEADPHONE) { 467 if (adev->mic_type_analog || adev->fluence_in_voice_call == false) { 468 snd_device = SND_DEVICE_IN_HANDSET_MIC; 469 } else { 470 if (adev->dualmic_config == DUALMIC_CONFIG_ENDFIRE) { 471 if (adev->is_tmus) 472 snd_device = SND_DEVICE_IN_VOICE_DMIC_EF_TMUS; 473 else 474 snd_device = SND_DEVICE_IN_VOICE_DMIC_EF; 475 } else if(adev->dualmic_config == DUALMIC_CONFIG_BROADSIDE) 476 snd_device = SND_DEVICE_IN_VOICE_DMIC_BS; 477 else 478 snd_device = SND_DEVICE_IN_HANDSET_MIC; 479 } 480 } else if (out_device & AUDIO_DEVICE_OUT_WIRED_HEADSET) { 481 snd_device = SND_DEVICE_IN_VOICE_HEADSET_MIC; 482 } else if (out_device & AUDIO_DEVICE_OUT_ALL_SCO) { 483 snd_device = SND_DEVICE_IN_BT_SCO_MIC ; 484 } else if (out_device & AUDIO_DEVICE_OUT_SPEAKER) { 485 if (adev->fluence_in_voice_call && 486 adev->dualmic_config == DUALMIC_CONFIG_ENDFIRE) { 487 snd_device = SND_DEVICE_IN_VOICE_SPEAKER_DMIC_EF; 488 } else if (adev->fluence_in_voice_call && 489 adev->dualmic_config == DUALMIC_CONFIG_BROADSIDE) { 490 snd_device = SND_DEVICE_IN_VOICE_SPEAKER_DMIC_BS; 491 } else { 492 snd_device = SND_DEVICE_IN_VOICE_SPEAKER_MIC; 493 } 494 } 495 } else if (source == AUDIO_SOURCE_CAMCORDER) { 496 if (in_device & AUDIO_DEVICE_IN_BUILTIN_MIC || 497 in_device & AUDIO_DEVICE_IN_BACK_MIC) { 498 snd_device = SND_DEVICE_IN_CAMCORDER_MIC; 499 } 500 } else if (source == AUDIO_SOURCE_VOICE_RECOGNITION) { 501 if (in_device & AUDIO_DEVICE_IN_BUILTIN_MIC) { 502 if (adev->dualmic_config == DUALMIC_CONFIG_ENDFIRE) { 503 if (channel_mask == AUDIO_CHANNEL_IN_FRONT_BACK) 504 snd_device = SND_DEVICE_IN_VOICE_REC_DMIC_EF; 505 else if (adev->fluence_in_voice_rec) 506 snd_device = SND_DEVICE_IN_VOICE_REC_DMIC_EF_FLUENCE; 507 else 508 snd_device = SND_DEVICE_IN_VOICE_REC_MIC; 509 } else if (adev->dualmic_config == DUALMIC_CONFIG_BROADSIDE) { 510 if (channel_mask == AUDIO_CHANNEL_IN_FRONT_BACK) 511 snd_device = SND_DEVICE_IN_VOICE_REC_DMIC_BS; 512 else if (adev->fluence_in_voice_rec) 513 snd_device = SND_DEVICE_IN_VOICE_REC_DMIC_BS_FLUENCE; 514 else 515 snd_device = SND_DEVICE_IN_VOICE_REC_MIC; 516 } else 517 snd_device = SND_DEVICE_IN_VOICE_REC_MIC; 518 } 519 } else if (source == AUDIO_SOURCE_VOICE_COMMUNICATION) { 520 if (out_device & AUDIO_DEVICE_OUT_SPEAKER) 521 in_device = AUDIO_DEVICE_IN_BACK_MIC; 522 } else if (source == AUDIO_SOURCE_DEFAULT) { 523 goto exit; 524 } 525 526 if (snd_device != SND_DEVICE_INVALID) { 527 goto exit; 528 } 529 530 if (in_device != AUDIO_DEVICE_NONE && 531 !(in_device & AUDIO_DEVICE_IN_VOICE_CALL) && 532 !(in_device & AUDIO_DEVICE_IN_COMMUNICATION)) { 533 if (in_device & AUDIO_DEVICE_IN_BUILTIN_MIC) { 534 snd_device = SND_DEVICE_IN_HANDSET_MIC; 535 } else if (in_device & AUDIO_DEVICE_IN_BACK_MIC) { 536 if (adev->mic_type_analog) 537 snd_device = SND_DEVICE_IN_HANDSET_MIC; 538 else 539 snd_device = SND_DEVICE_IN_SPEAKER_MIC; 540 } else if (in_device & AUDIO_DEVICE_IN_WIRED_HEADSET) { 541 snd_device = SND_DEVICE_IN_HEADSET_MIC; 542 } else if (in_device & AUDIO_DEVICE_IN_BLUETOOTH_SCO_HEADSET) { 543 snd_device = SND_DEVICE_IN_BT_SCO_MIC ; 544 } else if (in_device & AUDIO_DEVICE_IN_AUX_DIGITAL) { 545 snd_device = SND_DEVICE_IN_HDMI_MIC; 546 } else { 547 ALOGE("%s: Unknown input device(s) 0x%x", __func__, in_device); 548 ALOGW("%s: Using default handset-mic", __func__); 549 snd_device = SND_DEVICE_IN_HANDSET_MIC; 550 } 551 } else { 552 if (out_device & AUDIO_DEVICE_OUT_EARPIECE) { 553 snd_device = SND_DEVICE_IN_HANDSET_MIC; 554 } else if (out_device & AUDIO_DEVICE_OUT_WIRED_HEADSET) { 555 snd_device = SND_DEVICE_IN_HEADSET_MIC; 556 } else if (out_device & AUDIO_DEVICE_OUT_SPEAKER) { 557 snd_device = SND_DEVICE_IN_SPEAKER_MIC; 558 } else if (out_device & AUDIO_DEVICE_OUT_WIRED_HEADPHONE) { 559 snd_device = SND_DEVICE_IN_HANDSET_MIC; 560 } else if (out_device & AUDIO_DEVICE_OUT_BLUETOOTH_SCO_HEADSET) { 561 snd_device = SND_DEVICE_IN_BT_SCO_MIC; 562 } else if (out_device & AUDIO_DEVICE_OUT_AUX_DIGITAL) { 563 snd_device = SND_DEVICE_IN_HDMI_MIC; 564 } else { 565 ALOGE("%s: Unknown output device(s) 0x%x", __func__, out_device); 566 ALOGW("%s: Using default handset-mic", __func__); 567 snd_device = SND_DEVICE_IN_HANDSET_MIC; 568 } 569 } 570exit: 571 ALOGV("%s: exit: in_snd_device(%s)", __func__, 572 (snd_device == SND_DEVICE_INVALID) ? 573 "none" : device_table[snd_device]); 574 return snd_device; 575} 576 577static int select_devices(struct audio_device *adev) 578{ 579 snd_device_t out_snd_device = SND_DEVICE_INVALID; 580 snd_device_t in_snd_device = SND_DEVICE_INVALID; 581 struct audio_usecase *usecase; 582 int status = 0; 583 int acdb_rx_id, acdb_tx_id; 584 bool in_call_device_switch = false; 585 586 ALOGV("%s: enter", __func__); 587 out_snd_device = get_output_snd_device(adev); 588 in_snd_device = get_input_snd_device(adev); 589 590 if (out_snd_device == adev->cur_out_snd_device && adev->out_snd_device_active && 591 in_snd_device == adev->cur_in_snd_device && adev->in_snd_device_active) { 592 ALOGV("%s: exit: snd_devices (%d and %d) are already active", 593 __func__, out_snd_device, in_snd_device); 594 return 0; 595 } 596 597 /* 598 * Limitation: While in call, to do a device switch we need to disable 599 * and enable both RX and TX devices though one of them is same as current 600 * device. 601 */ 602 if (adev->in_call && adev->csd_client != NULL) { 603 in_call_device_switch = true; 604 /* This must be called before disabling the mixer controls on APQ side */ 605 if (adev->csd_disable_device == NULL) { 606 ALOGE("%s: dlsym error for csd_client_disable_device", __func__); 607 } else { 608 status = adev->csd_disable_device(); 609 if (status < 0) { 610 ALOGE("%s: csd_client_disable_device, failed, error %d", 611 __func__, status); 612 } 613 } 614 } 615 616 if ((out_snd_device != adev->cur_out_snd_device || in_call_device_switch) 617 && adev->out_snd_device_active) { 618 usecase = &adev->usecase_list; 619 while (usecase->next != NULL) { 620 usecase = usecase->next; 621 if (usecase->type == PCM_PLAYBACK || usecase->type == VOICE_CALL) { 622 disable_audio_route(adev->audio_route, usecase->id, 623 adev->cur_out_snd_device); 624 } 625 } 626 audio_route_update_mixer(adev->audio_route); 627 /* Disable current rx device */ 628 disable_snd_device(adev->audio_route, adev->cur_out_snd_device); 629 adev->out_snd_device_active = false; 630 } 631 632 if ((in_snd_device != adev->cur_in_snd_device || in_call_device_switch) 633 && adev->in_snd_device_active) { 634 usecase = &adev->usecase_list; 635 while (usecase->next != NULL) { 636 usecase = usecase->next; 637 if (usecase->type == PCM_CAPTURE) { 638 disable_audio_route(adev->audio_route, usecase->id, 639 adev->cur_in_snd_device); 640 } 641 } 642 audio_route_update_mixer(adev->audio_route); 643 /* Disable current tx device */ 644 disable_snd_device(adev->audio_route, adev->cur_in_snd_device); 645 adev->in_snd_device_active = false; 646 } 647 648 if (out_snd_device != SND_DEVICE_INVALID && !adev->out_snd_device_active) { 649 /* Enable new rx device */ 650 status = enable_snd_device(adev, out_snd_device); 651 if (status != 0) { 652 ALOGE("%s: Failed to set mixer ctls for snd_device(%d)", 653 __func__, out_snd_device); 654 return status; 655 } 656 adev->out_snd_device_active = true; 657 adev->cur_out_snd_device = out_snd_device; 658 } 659 660 if (in_snd_device != SND_DEVICE_INVALID && !adev->in_snd_device_active) { 661 /* Enable new tx device */ 662 status = enable_snd_device(adev, in_snd_device); 663 if (status != 0) { 664 ALOGE("%s: Failed to set mixer ctls for snd_device(%d)", 665 __func__, out_snd_device); 666 return status; 667 } 668 adev->in_snd_device_active = true; 669 adev->cur_in_snd_device = in_snd_device; 670 } 671 audio_route_update_mixer(adev->audio_route); 672 673 usecase = &adev->usecase_list; 674 while (usecase->next != NULL) { 675 usecase = usecase->next; 676 if (usecase->type == PCM_PLAYBACK || usecase->type == VOICE_CALL) { 677 usecase->devices = adev->out_device; /* TODO: fix device logic */ 678 status = enable_audio_route(adev->audio_route, usecase->id, 679 adev->cur_out_snd_device); 680 } else { 681 status = enable_audio_route(adev->audio_route, usecase->id, 682 adev->cur_in_snd_device); 683 } 684 } 685 audio_route_update_mixer(adev->audio_route); 686 687 if (adev->mode == AUDIO_MODE_IN_CALL && adev->csd_client) { 688 if (adev->csd_enable_device == NULL) { 689 ALOGE("%s: dlsym error for csd_client_enable_device", 690 __func__); 691 } else { 692 acdb_rx_id = get_acdb_device_id(out_snd_device); 693 acdb_tx_id = get_acdb_device_id(in_snd_device); 694 695 status = adev->csd_enable_device(acdb_rx_id, acdb_tx_id, 696 adev->acdb_settings); 697 if (status < 0) { 698 ALOGE("%s: csd_client_enable_device, failed, error %d", 699 __func__, status); 700 } 701 } 702 } 703 704 ALOGV("%s: exit: status(%d)", __func__, status); 705 return status; 706} 707 708static void add_usecase_to_list(struct audio_device *adev, 709 struct audio_usecase *uc_info) 710{ 711 struct audio_usecase *first_entry = adev->usecase_list.next; 712 ALOGV("%s: enter: usecase(%d)", __func__, uc_info->id); 713 /* Insert the new entry on the top of the list */ 714 adev->usecase_list.next = uc_info; 715 uc_info->next = first_entry; 716 ALOGV("%s: exit", __func__); 717} 718 719static void remove_usecase_from_list(struct audio_device *adev, 720 audio_usecase_t uc_id) 721{ 722 struct audio_usecase *uc_to_remove = NULL; 723 struct audio_usecase *list_head = &adev->usecase_list; 724 ALOGV("%s: enter: usecase(%d)", __func__, uc_id); 725 while (list_head->next != NULL) { 726 if (list_head->next->id == uc_id) { 727 uc_to_remove = list_head->next; 728 list_head->next = list_head->next->next; 729 free(uc_to_remove); 730 break; 731 } 732 list_head = list_head->next; 733 } 734 ALOGV("%s: exit", __func__); 735} 736 737static struct audio_usecase *get_usecase_from_list(struct audio_device *adev, 738 audio_usecase_t uc_id) 739{ 740 struct audio_usecase *uc_info = NULL; 741 struct audio_usecase *list_head = &adev->usecase_list; 742 ALOGV("%s: enter: uc_id(%d)", __func__, uc_id); 743 while (list_head->next != NULL) { 744 list_head = list_head->next; 745 if (list_head->id == uc_id) { 746 uc_info = list_head; 747 break; 748 } 749 } 750 ALOGV("%s: exit: uc_info(%p)", __func__, uc_info); 751 return uc_info; 752} 753 754static int get_num_active_usecases(struct audio_device *adev) 755{ 756 int num_uc = 0; 757 struct audio_usecase *list_head = &adev->usecase_list; 758 while (list_head->next != NULL) { 759 num_uc++; 760 list_head = list_head->next; 761 } 762 return num_uc; 763} 764 765static audio_devices_t get_active_out_devices(struct audio_device *adev, 766 audio_usecase_t usecase) 767{ 768 audio_devices_t devices = 0; 769 struct audio_usecase *list_head = &adev->usecase_list; 770 /* Return the output devices of usecases other than given usecase */ 771 while (list_head->next != NULL) { 772 list_head = list_head->next; 773 if (list_head->type == PCM_PLAYBACK && list_head->id != usecase) { 774 devices |= list_head->devices; 775 } 776 } 777 return devices; 778} 779 780static audio_devices_t get_voice_call_out_device(struct audio_device *adev) 781{ 782 audio_devices_t devices = 0; 783 struct audio_usecase *list_head = &adev->usecase_list; 784 /* Return the output devices of usecases other than VOICE_CALL usecase */ 785 while (list_head->next != NULL) { 786 list_head = list_head->next; 787 if (list_head->id == USECASE_VOICE_CALL) { 788 devices = list_head->devices; 789 break; 790 } 791 } 792 return devices; 793} 794 795static int stop_input_stream(struct stream_in *in) 796{ 797 int i, ret = 0; 798 snd_device_t in_snd_device; 799 struct audio_usecase *uc_info; 800 struct audio_device *adev = in->dev; 801 802 adev->active_input = NULL; 803 804 ALOGV("%s: enter: usecase(%d)", __func__, in->usecase); 805 uc_info = get_usecase_from_list(adev, in->usecase); 806 if (uc_info == NULL) { 807 ALOGE("%s: Could not find the usecase (%d) in the list", 808 __func__, in->usecase); 809 return -EINVAL; 810 } 811 812 /* 1. Close the PCM device first */ 813 if (in->pcm) { 814 pcm_close(in->pcm); 815 in->pcm = NULL; 816 } 817 818 /* 2. Disable stream specific mixer controls */ 819 in_snd_device = adev->cur_in_snd_device; 820 disable_audio_route(adev->audio_route, in->usecase, in_snd_device); 821 audio_route_update_mixer(adev->audio_route); 822 823 remove_usecase_from_list(adev, in->usecase); 824 825 /* 3. Disable the tx device */ 826 select_devices(adev); 827 828 ALOGV("%s: exit: status(%d)", __func__, ret); 829 return ret; 830} 831 832int start_input_stream(struct stream_in *in) 833{ 834 /* 1. Enable output device and stream routing controls */ 835 int ret = 0; 836 snd_device_t in_snd_device; 837 struct audio_usecase *uc_info; 838 struct audio_device *adev = in->dev; 839 840 ALOGV("%s: enter: usecase(%d)", __func__, in->usecase); 841 adev->active_input = in; 842 in_snd_device = get_input_snd_device(adev); 843 if (in_snd_device == SND_DEVICE_INVALID) { 844 ALOGE("%s: Could not get valid input sound device", __func__); 845 ret = -EINVAL; 846 goto error_config; 847 } 848 849 in->pcm_device_id = get_pcm_device_id(adev->audio_route, 850 in->usecase, 851 PCM_CAPTURE); 852 if (in->pcm_device_id < 0) { 853 ALOGE("%s: Could not find PCM device id for the usecase(%d)", 854 __func__, in->usecase); 855 ret = -EINVAL; 856 goto error_config; 857 } 858 uc_info = (struct audio_usecase *)calloc(1, sizeof(struct audio_usecase)); 859 uc_info->id = in->usecase; 860 uc_info->type = PCM_CAPTURE; 861 uc_info->devices = in->device; 862 863 /* 1. Enable the TX device */ 864 ret = select_devices(adev); 865 if (ret) { 866 ALOGE("%s: Failed to enable device(0x%x)", 867 __func__, in->device); 868 free(uc_info); 869 goto error_config; 870 } 871 in_snd_device = adev->cur_in_snd_device; 872 873 /* 2. Enable the mixer controls for the audio route */ 874 enable_audio_route(adev->audio_route, in->usecase, in_snd_device); 875 audio_route_update_mixer(adev->audio_route); 876 877 /* 3. Add the usecase info to usecase list */ 878 add_usecase_to_list(adev, uc_info); 879 880 /* 2. Open the pcm device */ 881 ALOGV("%s: Opening PCM device card_id(%d) device_id(%d), channels %d", 882 __func__, SOUND_CARD, in->pcm_device_id, in->config.channels); 883 in->pcm = pcm_open(SOUND_CARD, in->pcm_device_id, 884 PCM_IN, &in->config); 885 if (in->pcm && !pcm_is_ready(in->pcm)) { 886 ALOGE("%s: %s", __func__, pcm_get_error(in->pcm)); 887 pcm_close(in->pcm); 888 in->pcm = NULL; 889 ret = -EIO; 890 goto error_open; 891 } 892 ALOGV("%s: exit", __func__); 893 return ret; 894 895error_open: 896 stop_input_stream(in); 897 898error_config: 899 adev->active_input = NULL; 900 ALOGV("%s: exit: status(%d)", __func__, ret); 901 902 return ret; 903} 904 905static int stop_output_stream(struct stream_out *out) 906{ 907 int i, ret = 0; 908 snd_device_t out_snd_device; 909 struct audio_usecase *uc_info; 910 struct audio_device *adev = out->dev; 911 912 ALOGV("%s: enter: usecase(%d)", __func__, out->usecase); 913 uc_info = get_usecase_from_list(adev, out->usecase); 914 if (uc_info == NULL) { 915 ALOGE("%s: Could not find the usecase (%d) in the list", 916 __func__, out->usecase); 917 return -EINVAL; 918 } 919 920 /* 1. Close the PCM device first */ 921 if (out->pcm) { 922 pcm_close(out->pcm); 923 out->pcm = NULL; 924 } 925 926 /* 2. Get and set stream specific mixer controls */ 927 out_snd_device = adev->cur_out_snd_device; 928 disable_audio_route(adev->audio_route, out->usecase, out_snd_device); 929 audio_route_update_mixer(adev->audio_route); 930 931 remove_usecase_from_list(adev, uc_info->id); 932 933 /* 3. Disable the rx device */ 934 adev->out_device = get_active_out_devices(adev, out->usecase); 935 adev->out_device |= get_voice_call_out_device(adev); 936 ret = select_devices(adev); 937 938 ALOGV("%s: exit: status(%d)", __func__, ret); 939 return ret; 940} 941 942int start_output_stream(struct stream_out *out) 943{ 944 int status; 945 int ret = 0; 946 snd_device_t out_snd_device; 947 struct audio_usecase *uc_info; 948 struct audio_device *adev = out->dev; 949 950 /* 1. Enable output device and stream routing controls */ 951 ALOGV("%s: enter: usecase(%d)", __func__, out->usecase); 952 adev->out_device |= out->devices; 953 out_snd_device = get_output_snd_device(adev); 954 if (out_snd_device == SND_DEVICE_INVALID) { 955 ALOGE("%s: Could not get valid output sound device", __func__); 956 /* 957 * TODO: use a single exit point to avoid duplicating code to 958 * reset output device 959 */ 960 adev->out_device = get_active_out_devices(adev, out->usecase); 961 adev->out_device |= get_voice_call_out_device(adev); 962 return -EINVAL; 963 } 964 965 out->pcm_device_id = get_pcm_device_id(adev->audio_route, 966 out->usecase, 967 PCM_PLAYBACK); 968 if (out->pcm_device_id < 0) { 969 ALOGE("%s: Invalid PCM device id(%d) for the usecase(%d)", 970 __func__, out->pcm_device_id, out->usecase); 971 adev->out_device = get_active_out_devices(adev, out->usecase); 972 adev->out_device |= get_voice_call_out_device(adev); 973 return -EINVAL; 974 } 975 976 uc_info = (struct audio_usecase *)calloc(1, sizeof(struct audio_usecase)); 977 uc_info->id = out->usecase; 978 uc_info->type = PCM_PLAYBACK; 979 uc_info->devices = out->devices; 980 981 ret = select_devices(adev); 982 if (ret) { 983 ALOGE("%s: Failed to enable device(0x%x)", 984 __func__, adev->out_device); 985 adev->out_device = get_active_out_devices(adev, out->usecase); 986 adev->out_device |= get_voice_call_out_device(adev); 987 free(uc_info); 988 return ret; 989 } 990 991 out_snd_device = adev->cur_out_snd_device; 992 enable_audio_route(adev->audio_route, out->usecase, out_snd_device); 993 audio_route_update_mixer(adev->audio_route); 994 995 add_usecase_to_list(adev, uc_info); 996 997 ALOGV("%s: Opening PCM device card_id(%d) device_id(%d)", 998 __func__, 0, out->pcm_device_id); 999 out->pcm = pcm_open(SOUND_CARD, out->pcm_device_id, 1000 PCM_OUT, &out->config); 1001 if (out->pcm && !pcm_is_ready(out->pcm)) { 1002 ALOGE("%s: %s", __func__, pcm_get_error(out->pcm)); 1003 pcm_close(out->pcm); 1004 out->pcm = NULL; 1005 status = -EIO; 1006 goto error; 1007 } 1008 ALOGV("%s: exit", __func__); 1009 return 0; 1010error: 1011 stop_output_stream(out); 1012 ALOGE("%s: exit: status(%d)", __func__, status); 1013 return status; 1014} 1015 1016static int stop_voice_call(struct audio_device *adev) 1017{ 1018 int i, ret = 0; 1019 snd_device_t out_snd_device; 1020 struct audio_usecase *uc_info; 1021 1022 ALOGV("%s: enter", __func__); 1023 adev->in_call = false; 1024 if (adev->csd_client) { 1025 if (adev->csd_stop_voice == NULL) { 1026 ALOGE("dlsym error for csd_client_disable_device"); 1027 } else { 1028 ret = adev->csd_stop_voice(); 1029 if (ret < 0) { 1030 ALOGE("%s: csd_client error %d\n", __func__, ret); 1031 } 1032 } 1033 } 1034 1035 /* 1. Close the PCM devices */ 1036 if (adev->voice_call_rx) { 1037 pcm_close(adev->voice_call_rx); 1038 adev->voice_call_rx = NULL; 1039 } 1040 if (adev->voice_call_tx) { 1041 pcm_close(adev->voice_call_tx); 1042 adev->voice_call_tx = NULL; 1043 } 1044 1045 uc_info = get_usecase_from_list(adev, USECASE_VOICE_CALL); 1046 if (uc_info == NULL) { 1047 ALOGE("%s: Could not find the usecase (%d) in the list", 1048 __func__, USECASE_VOICE_CALL); 1049 return -EINVAL; 1050 } 1051 out_snd_device = adev->cur_out_snd_device; 1052 1053 /* 2. Get and set stream specific mixer controls */ 1054 /* ToDo: Status check ?*/ 1055 disable_audio_route(adev->audio_route, USECASE_VOICE_CALL, out_snd_device); 1056 audio_route_update_mixer(adev->audio_route); 1057 1058 remove_usecase_from_list(adev, uc_info->id); 1059 1060 /* 3. Disable the rx and tx devices */ 1061 ret = select_devices(adev); 1062 1063 ALOGV("%s: exit: status(%d)", __func__, ret); 1064 return ret; 1065} 1066 1067static int start_voice_call(struct audio_device *adev) 1068{ 1069 int i, ret = 0; 1070 snd_device_t out_snd_device; 1071 struct audio_usecase *uc_info; 1072 int pcm_dev_rx_id, pcm_dev_tx_id; 1073 1074 ALOGV("%s: enter", __func__); 1075 1076 uc_info = (struct audio_usecase *)calloc(1, sizeof(struct audio_usecase)); 1077 uc_info->id = USECASE_VOICE_CALL; 1078 uc_info->type = VOICE_CALL; 1079 uc_info->devices = adev->out_device; 1080 1081 ret = select_devices(adev); 1082 if (ret) { 1083 free(uc_info); 1084 return ret; 1085 } 1086 1087 out_snd_device = adev->cur_out_snd_device; 1088 enable_audio_route(adev->audio_route, uc_info->id, out_snd_device); 1089 audio_route_update_mixer(adev->audio_route); 1090 1091 add_usecase_to_list(adev, uc_info); 1092 1093 pcm_dev_rx_id = get_pcm_device_id(adev->audio_route, uc_info->id, 1094 PCM_PLAYBACK); 1095 pcm_dev_tx_id = get_pcm_device_id(adev->audio_route, uc_info->id, 1096 PCM_CAPTURE); 1097 1098 if (pcm_dev_rx_id < 0 || pcm_dev_tx_id < 0) { 1099 ALOGE("%s: Invalid PCM devices (rx: %d tx: %d) for the usecase(%d)", 1100 __func__, pcm_dev_rx_id, pcm_dev_tx_id, uc_info->id); 1101 ret = -EIO; 1102 goto error_start_voice; 1103 } 1104 1105 ALOGV("%s: Opening PCM playback device card_id(%d) device_id(%d)", 1106 __func__, SOUND_CARD, pcm_dev_rx_id); 1107 adev->voice_call_rx = pcm_open(SOUND_CARD, 1108 pcm_dev_rx_id, 1109 PCM_OUT, &pcm_config_voice_call); 1110 if (adev->voice_call_rx && !pcm_is_ready(adev->voice_call_rx)) { 1111 ALOGE("%s: %s", __func__, pcm_get_error(adev->voice_call_rx)); 1112 ret = -EIO; 1113 goto error_start_voice; 1114 } 1115 1116 ALOGV("%s: Opening PCM capture device card_id(%d) device_id(%d)", 1117 __func__, SOUND_CARD, pcm_dev_tx_id); 1118 adev->voice_call_tx = pcm_open(SOUND_CARD, 1119 pcm_dev_tx_id, 1120 PCM_IN, &pcm_config_voice_call); 1121 if (adev->voice_call_tx && !pcm_is_ready(adev->voice_call_tx)) { 1122 ALOGE("%s: %s", __func__, pcm_get_error(adev->voice_call_tx)); 1123 ret = -EIO; 1124 goto error_start_voice; 1125 } 1126 pcm_start(adev->voice_call_rx); 1127 pcm_start(adev->voice_call_tx); 1128 1129 if (adev->csd_client) { 1130 if (adev->csd_start_voice == NULL) { 1131 ALOGE("dlsym error for csd_client_start_voice"); 1132 goto error_start_voice; 1133 } else { 1134 ret = adev->csd_start_voice(); 1135 if (ret < 0) { 1136 ALOGE("%s: csd_start_voice error %d\n", __func__, ret); 1137 goto error_start_voice; 1138 } 1139 } 1140 } 1141 1142 adev->in_call = true; 1143 return 0; 1144 1145error_start_voice: 1146 stop_voice_call(adev); 1147 1148 ALOGV("%s: exit: status(%d)", __func__, ret); 1149 return ret; 1150} 1151 1152static int check_input_parameters(uint32_t sample_rate, 1153 audio_format_t format, 1154 int channel_count) 1155{ 1156 if (format != AUDIO_FORMAT_PCM_16_BIT) return -EINVAL; 1157 1158 if ((channel_count < 1) || (channel_count > 2)) return -EINVAL; 1159 1160 switch (sample_rate) { 1161 case 8000: 1162 case 11025: 1163 case 12000: 1164 case 16000: 1165 case 22050: 1166 case 24000: 1167 case 32000: 1168 case 44100: 1169 case 48000: 1170 break; 1171 default: 1172 return -EINVAL; 1173 } 1174 1175 return 0; 1176} 1177 1178static size_t get_input_buffer_size(uint32_t sample_rate, 1179 audio_format_t format, 1180 int channel_count) 1181{ 1182 size_t size = 0; 1183 1184 if (check_input_parameters(sample_rate, format, channel_count) != 0) return 0; 1185 1186 if (sample_rate == 8000 || sample_rate == 16000 || sample_rate == 32000) { 1187 size = (sample_rate * 20) / 1000; 1188 } else if (sample_rate == 11025 || sample_rate == 12000) { 1189 size = 256; 1190 } else if (sample_rate == 22050 || sample_rate == 24000) { 1191 size = 512; 1192 } else if (sample_rate == 44100 || sample_rate == 48000) { 1193 size = 1024; 1194 } 1195 1196 return size * sizeof(short) * channel_count; 1197} 1198 1199static uint32_t out_get_sample_rate(const struct audio_stream *stream) 1200{ 1201 struct stream_out *out = (struct stream_out *)stream; 1202 1203 return out->config.rate; 1204} 1205 1206static int out_set_sample_rate(struct audio_stream *stream, uint32_t rate) 1207{ 1208 return -ENOSYS; 1209} 1210 1211static size_t out_get_buffer_size(const struct audio_stream *stream) 1212{ 1213 struct stream_out *out = (struct stream_out *)stream; 1214 1215 return out->config.period_size * audio_stream_frame_size(stream); 1216} 1217 1218static uint32_t out_get_channels(const struct audio_stream *stream) 1219{ 1220 struct stream_out *out = (struct stream_out *)stream; 1221 1222 return out->channel_mask; 1223} 1224 1225static audio_format_t out_get_format(const struct audio_stream *stream) 1226{ 1227 return AUDIO_FORMAT_PCM_16_BIT; 1228} 1229 1230static int out_set_format(struct audio_stream *stream, audio_format_t format) 1231{ 1232 return -ENOSYS; 1233} 1234 1235static int out_standby(struct audio_stream *stream) 1236{ 1237 struct stream_out *out = (struct stream_out *)stream; 1238 struct audio_device *adev = out->dev; 1239 ALOGV("%s: enter: usecase(%d)", __func__, out->usecase); 1240 pthread_mutex_lock(&out->dev->lock); 1241 pthread_mutex_lock(&out->lock); 1242 1243 if (!out->standby) { 1244 out->standby = true; 1245 stop_output_stream(out); 1246 } 1247 pthread_mutex_unlock(&out->lock); 1248 pthread_mutex_unlock(&out->dev->lock); 1249 ALOGV("%s: exit", __func__); 1250 return 0; 1251} 1252 1253static int out_dump(const struct audio_stream *stream, int fd) 1254{ 1255 return 0; 1256} 1257 1258static int out_set_parameters(struct audio_stream *stream, const char *kvpairs) 1259{ 1260 struct stream_out *out = (struct stream_out *)stream; 1261 struct audio_device *adev = out->dev; 1262 struct str_parms *parms; 1263 char value[32]; 1264 int ret, val = 0; 1265 1266 ALOGV("%s: enter: usecase(%d) kvpairs: %s", 1267 __func__, out->usecase, kvpairs); 1268 parms = str_parms_create_str(kvpairs); 1269 ret = str_parms_get_str(parms, AUDIO_PARAMETER_STREAM_ROUTING, value, sizeof(value)); 1270 if (ret >= 0) { 1271 val = atoi(value); 1272 pthread_mutex_lock(&adev->lock); 1273 pthread_mutex_lock(&out->lock); 1274 1275 if (adev->mode == AUDIO_MODE_IN_CALL && !adev->in_call && (val != 0)) { 1276 adev->out_device = get_active_out_devices(adev, out->usecase) | val; 1277 out->devices = val; 1278 start_voice_call(adev); 1279 } else if (adev->mode != AUDIO_MODE_IN_CALL && adev->in_call) { 1280 if (val != 0) { 1281 adev->out_device = get_active_out_devices(adev, out->usecase) | val; 1282 out->devices = val; 1283 } 1284 stop_voice_call(adev); 1285 } else if ((adev->out_device != (audio_devices_t)val) && (val != 0)) { 1286 if (!out->standby || adev->in_call) { 1287 adev->out_device = get_active_out_devices(adev, out->usecase) | val; 1288 ret = select_devices(adev); 1289 } 1290 out->devices = val; 1291 } 1292 1293 pthread_mutex_unlock(&out->lock); 1294 pthread_mutex_unlock(&adev->lock); 1295 } 1296 str_parms_destroy(parms); 1297 ALOGV("%s: exit: code(%d)", __func__, ret); 1298 return ret; 1299} 1300 1301static char* out_get_parameters(const struct audio_stream *stream, const char *keys) 1302{ 1303 struct stream_out *out = (struct stream_out *)stream; 1304 struct str_parms *query = str_parms_create_str(keys); 1305 char *str; 1306 char value[256]; 1307 struct str_parms *reply = str_parms_create(); 1308 size_t i, j; 1309 int ret; 1310 bool first = true; 1311 ALOGV("%s: enter: keys - %s", __func__, keys); 1312 ret = str_parms_get_str(query, AUDIO_PARAMETER_STREAM_SUP_CHANNELS, value, sizeof(value)); 1313 if (ret >= 0) { 1314 value[0] = '\0'; 1315 i = 0; 1316 while (out->supported_channel_masks[i] != 0) { 1317 for (j = 0; j < ARRAY_SIZE(out_channels_name_to_enum_table); j++) { 1318 if (out_channels_name_to_enum_table[j].value == out->supported_channel_masks[i]) { 1319 if (!first) { 1320 strcat(value, "|"); 1321 } 1322 strcat(value, out_channels_name_to_enum_table[j].name); 1323 first = false; 1324 break; 1325 } 1326 } 1327 i++; 1328 } 1329 str_parms_add_str(reply, AUDIO_PARAMETER_STREAM_SUP_CHANNELS, value); 1330 str = str_parms_to_str(reply); 1331 } else { 1332 str = strdup(keys); 1333 } 1334 str_parms_destroy(query); 1335 str_parms_destroy(reply); 1336 ALOGV("%s: exit: returns - %s", __func__, str); 1337 return str; 1338} 1339 1340static uint32_t out_get_latency(const struct audio_stream_out *stream) 1341{ 1342 struct stream_out *out = (struct stream_out *)stream; 1343 1344 return (out->config.period_count * out->config.period_size * 1000) / (out->config.rate); 1345} 1346 1347static int out_set_volume(struct audio_stream_out *stream, float left, 1348 float right) 1349{ 1350 return -ENOSYS; 1351} 1352 1353static ssize_t out_write(struct audio_stream_out *stream, const void *buffer, 1354 size_t bytes) 1355{ 1356 struct stream_out *out = (struct stream_out *)stream; 1357 struct audio_device *adev = out->dev; 1358 int i, ret = -1; 1359 1360 /* acquiring hw device mutex systematically is useful if a low priority thread is waiting 1361 * on the output stream mutex - e.g. executing select_mode() while holding the hw device 1362 * mutex 1363 */ 1364 pthread_mutex_lock(&adev->lock); 1365 pthread_mutex_lock(&out->lock); 1366 if (out->standby) { 1367 ret = start_output_stream(out); 1368 if (ret != 0) { 1369 pthread_mutex_unlock(&adev->lock); 1370 goto exit; 1371 } 1372 out->standby = false; 1373 } 1374 pthread_mutex_unlock(&adev->lock); 1375 1376 if (out->pcm) { 1377 //ALOGV("%s: writing buffer (%d bytes) to pcm device", __func__, bytes); 1378 ret = pcm_write(out->pcm, (void *)buffer, bytes); 1379 } 1380 1381exit: 1382 pthread_mutex_unlock(&out->lock); 1383 1384 if (ret != 0) { 1385 out_standby(&out->stream.common); 1386 usleep(bytes * 1000000 / audio_stream_frame_size(&out->stream.common) / 1387 out_get_sample_rate(&out->stream.common)); 1388 } 1389 return bytes; 1390} 1391 1392static int out_get_render_position(const struct audio_stream_out *stream, 1393 uint32_t *dsp_frames) 1394{ 1395 return -EINVAL; 1396} 1397 1398static int out_add_audio_effect(const struct audio_stream *stream, effect_handle_t effect) 1399{ 1400 return 0; 1401} 1402 1403static int out_remove_audio_effect(const struct audio_stream *stream, effect_handle_t effect) 1404{ 1405 return 0; 1406} 1407 1408static int out_get_next_write_timestamp(const struct audio_stream_out *stream, 1409 int64_t *timestamp) 1410{ 1411 return -EINVAL; 1412} 1413 1414/** audio_stream_in implementation **/ 1415static uint32_t in_get_sample_rate(const struct audio_stream *stream) 1416{ 1417 struct stream_in *in = (struct stream_in *)stream; 1418 1419 return in->config.rate; 1420} 1421 1422static int in_set_sample_rate(struct audio_stream *stream, uint32_t rate) 1423{ 1424 return -ENOSYS; 1425} 1426 1427static size_t in_get_buffer_size(const struct audio_stream *stream) 1428{ 1429 struct stream_in *in = (struct stream_in *)stream; 1430 1431 return in->config.period_size * audio_stream_frame_size(stream); 1432} 1433 1434static uint32_t in_get_channels(const struct audio_stream *stream) 1435{ 1436 struct stream_in *in = (struct stream_in *)stream; 1437 1438 return in->channel_mask; 1439} 1440 1441static audio_format_t in_get_format(const struct audio_stream *stream) 1442{ 1443 return AUDIO_FORMAT_PCM_16_BIT; 1444} 1445 1446static int in_set_format(struct audio_stream *stream, audio_format_t format) 1447{ 1448 return -ENOSYS; 1449} 1450 1451static int in_standby(struct audio_stream *stream) 1452{ 1453 struct stream_in *in = (struct stream_in *)stream; 1454 struct audio_device *adev = in->dev; 1455 int status = 0; 1456 ALOGV("%s: enter", __func__); 1457 pthread_mutex_lock(&adev->lock); 1458 pthread_mutex_lock(&in->lock); 1459 if (!in->standby) { 1460 in->standby = true; 1461 status = stop_input_stream(in); 1462 } 1463 pthread_mutex_unlock(&in->lock); 1464 pthread_mutex_unlock(&adev->lock); 1465 ALOGV("%s: exit: status(%d)", __func__, status); 1466 return status; 1467} 1468 1469static int in_dump(const struct audio_stream *stream, int fd) 1470{ 1471 return 0; 1472} 1473 1474static int in_set_parameters(struct audio_stream *stream, const char *kvpairs) 1475{ 1476 struct stream_in *in = (struct stream_in *)stream; 1477 struct audio_device *adev = in->dev; 1478 struct str_parms *parms; 1479 char *str; 1480 char value[32]; 1481 int ret, val = 0; 1482 1483 ALOGV("%s: enter: kvpairs=%s", __func__, kvpairs); 1484 parms = str_parms_create_str(kvpairs); 1485 1486 ret = str_parms_get_str(parms, AUDIO_PARAMETER_STREAM_INPUT_SOURCE, value, sizeof(value)); 1487 1488 pthread_mutex_lock(&adev->lock); 1489 pthread_mutex_lock(&in->lock); 1490 if (ret >= 0) { 1491 val = atoi(value); 1492 /* no audio source uses val == 0 */ 1493 if ((in->source != val) && (val != 0)) { 1494 in->source = val; 1495 } 1496 } 1497 1498 ret = str_parms_get_str(parms, AUDIO_PARAMETER_STREAM_ROUTING, value, sizeof(value)); 1499 if (ret >= 0) { 1500 val = atoi(value); 1501 if ((in->device != val) && (val != 0)) { 1502 in->device = val; 1503 /* If recording is in progress, change the tx device to new device */ 1504 if (!in->standby) { 1505 ret = select_devices(adev); 1506 } 1507 } 1508 } 1509 1510 pthread_mutex_unlock(&in->lock); 1511 pthread_mutex_unlock(&adev->lock); 1512 1513 str_parms_destroy(parms); 1514 ALOGV("%s: exit: status(%d)", __func__, ret); 1515 return ret; 1516} 1517 1518static char* in_get_parameters(const struct audio_stream *stream, 1519 const char *keys) 1520{ 1521 return strdup(""); 1522} 1523 1524static int in_set_gain(struct audio_stream_in *stream, float gain) 1525{ 1526 return 0; 1527} 1528 1529static ssize_t in_read(struct audio_stream_in *stream, void *buffer, 1530 size_t bytes) 1531{ 1532 struct stream_in *in = (struct stream_in *)stream; 1533 struct audio_device *adev = in->dev; 1534 int i, ret = -1; 1535 1536 /* acquiring hw device mutex systematically is useful if a low priority thread is waiting 1537 * on the output stream mutex - e.g. executing select_mode() while holding the hw device 1538 * mutex 1539 */ 1540 //ALOGV("%s: buffer(%p) bytes(%d)", __func__, buffer, bytes); 1541 pthread_mutex_lock(&adev->lock); 1542 pthread_mutex_lock(&in->lock); 1543 if (in->standby) { 1544 ret = start_input_stream(in); 1545 if (ret != 0) { 1546 pthread_mutex_unlock(&adev->lock); 1547 goto exit; 1548 } 1549 in->standby = 0; 1550 } 1551 pthread_mutex_unlock(&adev->lock); 1552 1553 if (in->pcm) { 1554 ret = pcm_read(in->pcm, buffer, bytes); 1555 } 1556 1557 /* 1558 * Instead of writing zeroes here, we could trust the hardware 1559 * to always provide zeroes when muted. 1560 */ 1561 if (ret == 0 && adev->mic_mute) 1562 memset(buffer, 0, bytes); 1563 1564exit: 1565 pthread_mutex_unlock(&in->lock); 1566 1567 if (ret != 0) { 1568 in_standby(&in->stream.common); 1569 ALOGV("%s: read failed - sleeping for buffer duration", __func__); 1570 usleep(bytes * 1000000 / audio_stream_frame_size(&in->stream.common) / 1571 in_get_sample_rate(&in->stream.common)); 1572 } 1573 return bytes; 1574} 1575 1576static uint32_t in_get_input_frames_lost(struct audio_stream_in *stream) 1577{ 1578 return 0; 1579} 1580 1581static int in_add_audio_effect(const struct audio_stream *stream, effect_handle_t effect) 1582{ 1583 return 0; 1584} 1585 1586static int in_remove_audio_effect(const struct audio_stream *stream, effect_handle_t effect) 1587{ 1588 return 0; 1589} 1590 1591static int adev_open_output_stream(struct audio_hw_device *dev, 1592 audio_io_handle_t handle, 1593 audio_devices_t devices, 1594 audio_output_flags_t flags, 1595 struct audio_config *config, 1596 struct audio_stream_out **stream_out) 1597{ 1598 struct audio_device *adev = (struct audio_device *)dev; 1599 struct stream_out *out; 1600 int i, ret; 1601 1602 ALOGV("%s: enter: sample_rate(%d) channel_mask(0x%x) devices(0x%x) flags(0x%x)", 1603 __func__, config->sample_rate, config->channel_mask, devices, flags); 1604 *stream_out = NULL; 1605 out = (struct stream_out *)calloc(1, sizeof(struct stream_out)); 1606 1607 if (devices == AUDIO_DEVICE_NONE) 1608 devices = AUDIO_DEVICE_OUT_SPEAKER; 1609 1610 out->supported_channel_masks[0] = AUDIO_CHANNEL_OUT_STEREO; 1611 out->channel_mask = AUDIO_CHANNEL_OUT_STEREO; 1612 out->flags = flags; 1613 out->devices = devices; 1614 1615 /* Init use case and pcm_config */ 1616 if (out->flags & AUDIO_OUTPUT_FLAG_DIRECT && 1617 out->devices & AUDIO_DEVICE_OUT_AUX_DIGITAL) { 1618 out->usecase = USECASE_AUDIO_PLAYBACK_MULTI_CH; 1619 out->config = pcm_config_hdmi_multi; 1620 1621 pthread_mutex_lock(&adev->lock); 1622 read_hdmi_channel_masks(out); 1623 pthread_mutex_unlock(&adev->lock); 1624 1625 if (config->sample_rate == 0) config->sample_rate = DEFAULT_OUTPUT_SAMPLING_RATE; 1626 if (config->channel_mask == 0) config->channel_mask = AUDIO_CHANNEL_OUT_5POINT1; 1627 out->channel_mask = config->channel_mask; 1628 out->config.rate = config->sample_rate; 1629 out->config.channels = popcount(out->channel_mask); 1630 out->config.period_size = HDMI_MULTI_PERIOD_BYTES / (out->config.channels * 2); 1631 set_hdmi_channels(adev->mixer, out->config.channels); 1632 } else if (out->flags & AUDIO_OUTPUT_FLAG_DEEP_BUFFER) { 1633 out->usecase = USECASE_AUDIO_PLAYBACK_DEEP_BUFFER; 1634 out->config = pcm_config_deep_buffer; 1635 } else { 1636 out->usecase = USECASE_AUDIO_PLAYBACK_LOW_LATENCY; 1637 out->config = pcm_config_low_latency; 1638 } 1639 1640 /* Check if this usecase is already existing */ 1641 pthread_mutex_lock(&adev->lock); 1642 if (get_usecase_from_list(adev, out->usecase) != NULL) { 1643 ALOGE("%s: Usecase (%d) is already present", __func__, out->usecase); 1644 free(out); 1645 *stream_out = NULL; 1646 pthread_mutex_unlock(&adev->lock); 1647 return -EEXIST; 1648 } 1649 pthread_mutex_unlock(&adev->lock); 1650 1651 out->stream.common.get_sample_rate = out_get_sample_rate; 1652 out->stream.common.set_sample_rate = out_set_sample_rate; 1653 out->stream.common.get_buffer_size = out_get_buffer_size; 1654 out->stream.common.get_channels = out_get_channels; 1655 out->stream.common.get_format = out_get_format; 1656 out->stream.common.set_format = out_set_format; 1657 out->stream.common.standby = out_standby; 1658 out->stream.common.dump = out_dump; 1659 out->stream.common.set_parameters = out_set_parameters; 1660 out->stream.common.get_parameters = out_get_parameters; 1661 out->stream.common.add_audio_effect = out_add_audio_effect; 1662 out->stream.common.remove_audio_effect = out_remove_audio_effect; 1663 out->stream.get_latency = out_get_latency; 1664 out->stream.set_volume = out_set_volume; 1665 out->stream.write = out_write; 1666 out->stream.get_render_position = out_get_render_position; 1667 out->stream.get_next_write_timestamp = out_get_next_write_timestamp; 1668 1669 out->dev = adev; 1670 out->standby = 1; 1671 1672 config->format = out->stream.common.get_format(&out->stream.common); 1673 config->channel_mask = out->stream.common.get_channels(&out->stream.common); 1674 config->sample_rate = out->stream.common.get_sample_rate(&out->stream.common); 1675 1676 *stream_out = &out->stream; 1677 ALOGV("%s: exit", __func__); 1678 return 0; 1679} 1680 1681static void adev_close_output_stream(struct audio_hw_device *dev, 1682 struct audio_stream_out *stream) 1683{ 1684 ALOGV("%s: enter", __func__); 1685 out_standby(&stream->common); 1686 free(stream); 1687 ALOGV("%s: exit", __func__); 1688} 1689 1690static int adev_set_parameters(struct audio_hw_device *dev, const char *kvpairs) 1691{ 1692 struct audio_device *adev = (struct audio_device *)dev; 1693 struct str_parms *parms; 1694 char *str; 1695 char value[32]; 1696 int ret; 1697 1698 ALOGV("%s: enter: %s", __func__, kvpairs); 1699 1700 parms = str_parms_create_str(kvpairs); 1701 ret = str_parms_get_str(parms, AUDIO_PARAMETER_KEY_TTY_MODE, value, sizeof(value)); 1702 if (ret >= 0) { 1703 int tty_mode; 1704 1705 if (strcmp(value, AUDIO_PARAMETER_VALUE_TTY_OFF) == 0) 1706 tty_mode = TTY_MODE_OFF; 1707 else if (strcmp(value, AUDIO_PARAMETER_VALUE_TTY_VCO) == 0) 1708 tty_mode = TTY_MODE_VCO; 1709 else if (strcmp(value, AUDIO_PARAMETER_VALUE_TTY_HCO) == 0) 1710 tty_mode = TTY_MODE_HCO; 1711 else if (strcmp(value, AUDIO_PARAMETER_VALUE_TTY_FULL) == 0) 1712 tty_mode = TTY_MODE_FULL; 1713 else 1714 return -EINVAL; 1715 1716 pthread_mutex_lock(&adev->lock); 1717 if (tty_mode != adev->tty_mode) { 1718 adev->tty_mode = tty_mode; 1719 adev->acdb_settings = (adev->acdb_settings & TTY_MODE_CLEAR) | tty_mode; 1720 if (adev->in_call) 1721 select_devices(adev); 1722 } 1723 pthread_mutex_unlock(&adev->lock); 1724 } 1725 1726 ret = str_parms_get_str(parms, AUDIO_PARAMETER_KEY_BT_NREC, value, sizeof(value)); 1727 if (ret >= 0) { 1728 /* When set to false, HAL should disable EC and NS 1729 * But it is currently not supported. 1730 */ 1731 if (strcmp(value, AUDIO_PARAMETER_VALUE_ON) == 0) 1732 adev->bluetooth_nrec = true; 1733 else 1734 adev->bluetooth_nrec = false; 1735 } 1736 1737 ret = str_parms_get_str(parms, "screen_state", value, sizeof(value)); 1738 if (ret >= 0) { 1739 if (strcmp(value, AUDIO_PARAMETER_VALUE_ON) == 0) 1740 adev->screen_off = false; 1741 else 1742 adev->screen_off = true; 1743 } 1744 1745 str_parms_destroy(parms); 1746 ALOGV("%s: exit with code(%d)", __func__, ret); 1747 return ret; 1748} 1749 1750static char* adev_get_parameters(const struct audio_hw_device *dev, 1751 const char *keys) 1752{ 1753 /* ToDo: Return requested params */ 1754 return strdup(""); 1755} 1756 1757static int adev_init_check(const struct audio_hw_device *dev) 1758{ 1759 return 0; 1760} 1761 1762static int adev_set_voice_volume(struct audio_hw_device *dev, float volume) 1763{ 1764 struct audio_device *adev = (struct audio_device *)dev; 1765 int vol, err = 0; 1766 1767 pthread_mutex_lock(&adev->lock); 1768 adev->voice_volume = volume; 1769 if (adev->mode == AUDIO_MODE_IN_CALL) { 1770 if (volume < 0.0) { 1771 volume = 0.0; 1772 } else if (volume > 1.0) { 1773 volume = 1.0; 1774 } 1775 1776 vol = lrint(volume * 100.0); 1777 1778 // Voice volume levels from android are mapped to driver volume levels as follows. 1779 // 0 -> 5, 20 -> 4, 40 ->3, 60 -> 2, 80 -> 1, 100 -> 0 1780 // So adjust the volume to get the correct volume index in driver 1781 vol = 100 - vol; 1782 1783 if (adev->csd_client) { 1784 if (adev->csd_volume == NULL) { 1785 ALOGE("%s: dlsym error for csd_client_volume", __func__); 1786 } else { 1787 err = adev->csd_volume(vol); 1788 if (err < 0) { 1789 ALOGE("%s: csd_client error %d", __func__, err); 1790 } 1791 } 1792 } else { 1793 ALOGE("%s: No CSD Client present", __func__); 1794 } 1795 } 1796 pthread_mutex_unlock(&adev->lock); 1797 return err; 1798} 1799 1800static int adev_set_master_volume(struct audio_hw_device *dev, float volume) 1801{ 1802 return -ENOSYS; 1803} 1804 1805static int adev_get_master_volume(struct audio_hw_device *dev, 1806 float *volume) 1807{ 1808 return -ENOSYS; 1809} 1810 1811static int adev_set_master_mute(struct audio_hw_device *dev, bool muted) 1812{ 1813 return -ENOSYS; 1814} 1815 1816static int adev_get_master_mute(struct audio_hw_device *dev, bool *muted) 1817{ 1818 return -ENOSYS; 1819} 1820 1821static int adev_set_mode(struct audio_hw_device *dev, audio_mode_t mode) 1822{ 1823 struct audio_device *adev = (struct audio_device *)dev; 1824 1825 pthread_mutex_lock(&adev->lock); 1826 if (adev->mode != mode) { 1827 adev->mode = mode; 1828 } 1829 pthread_mutex_unlock(&adev->lock); 1830 return 0; 1831} 1832 1833static int adev_set_mic_mute(struct audio_hw_device *dev, bool state) 1834{ 1835 struct audio_device *adev = (struct audio_device *)dev; 1836 int err = 0; 1837 1838 adev->mic_mute = state; 1839 if (adev->mode == AUDIO_MODE_IN_CALL) { 1840 if (adev->csd_client) { 1841 if (adev->csd_mic_mute == NULL) { 1842 ALOGE("%s: dlsym error for csd_mic_mute", __func__); 1843 } else { 1844 err = adev->csd_mic_mute(state); 1845 if (err < 0) { 1846 ALOGE("%s: csd_client error %d", __func__, err); 1847 } 1848 } 1849 } else { 1850 ALOGE("%s: No CSD Client present", __func__); 1851 } 1852 } 1853 return err; 1854} 1855 1856static int adev_get_mic_mute(const struct audio_hw_device *dev, bool *state) 1857{ 1858 struct audio_device *adev = (struct audio_device *)dev; 1859 1860 *state = adev->mic_mute; 1861 1862 return 0; 1863} 1864 1865static size_t adev_get_input_buffer_size(const struct audio_hw_device *dev, 1866 const struct audio_config *config) 1867{ 1868 size_t size; 1869 int channel_count = popcount(config->channel_mask); 1870 1871 return get_input_buffer_size(config->sample_rate, config->format, channel_count); 1872} 1873 1874static int adev_open_input_stream(struct audio_hw_device *dev, 1875 audio_io_handle_t handle, 1876 audio_devices_t devices, 1877 struct audio_config *config, 1878 struct audio_stream_in **stream_in) 1879{ 1880 struct audio_device *adev = (struct audio_device *)dev; 1881 struct stream_in *in; 1882 int ret, buffer_size, frame_size; 1883 int channel_count = popcount(config->channel_mask); 1884 1885 ALOGV("%s: enter", __func__); 1886 *stream_in = NULL; 1887 if (check_input_parameters(config->sample_rate, config->format, channel_count) != 0) 1888 return -EINVAL; 1889 1890 in = (struct stream_in *)calloc(1, sizeof(struct stream_in)); 1891 1892 in->stream.common.get_sample_rate = in_get_sample_rate; 1893 in->stream.common.set_sample_rate = in_set_sample_rate; 1894 in->stream.common.get_buffer_size = in_get_buffer_size; 1895 in->stream.common.get_channels = in_get_channels; 1896 in->stream.common.get_format = in_get_format; 1897 in->stream.common.set_format = in_set_format; 1898 in->stream.common.standby = in_standby; 1899 in->stream.common.dump = in_dump; 1900 in->stream.common.set_parameters = in_set_parameters; 1901 in->stream.common.get_parameters = in_get_parameters; 1902 in->stream.common.add_audio_effect = in_add_audio_effect; 1903 in->stream.common.remove_audio_effect = in_remove_audio_effect; 1904 in->stream.set_gain = in_set_gain; 1905 in->stream.read = in_read; 1906 in->stream.get_input_frames_lost = in_get_input_frames_lost; 1907 1908 in->device = devices; 1909 in->source = AUDIO_SOURCE_DEFAULT; 1910 in->dev = adev; 1911 in->standby = 1; 1912 in->channel_mask = config->channel_mask; 1913 1914 /* Update config params with the requested sample rate and channels */ 1915 in->usecase = USECASE_AUDIO_RECORD; 1916 in->config = pcm_config_audio_capture; 1917 in->config.channels = channel_count; 1918 in->config.rate = config->sample_rate; 1919 1920 frame_size = audio_stream_frame_size((struct audio_stream *)in); 1921 buffer_size = get_input_buffer_size(config->sample_rate, 1922 config->format, 1923 channel_count); 1924 in->config.period_size = buffer_size / frame_size; 1925 1926 *stream_in = &in->stream; 1927 ALOGV("%s: exit", __func__); 1928 return 0; 1929 1930err_open: 1931 free(in); 1932 *stream_in = NULL; 1933 return ret; 1934} 1935 1936static void adev_close_input_stream(struct audio_hw_device *dev, 1937 struct audio_stream_in *stream) 1938{ 1939 in_standby(&stream->common); 1940 free(stream); 1941 1942 return; 1943} 1944 1945static int adev_dump(const audio_hw_device_t *device, int fd) 1946{ 1947 return 0; 1948} 1949 1950static int adev_close(hw_device_t *device) 1951{ 1952 struct audio_device *adev = (struct audio_device *)device; 1953 audio_route_free(adev->audio_route); 1954 free(device); 1955 return 0; 1956} 1957 1958static void init_platform_data(struct audio_device *adev) 1959{ 1960 char platform[PROPERTY_VALUE_MAX]; 1961 char baseband[PROPERTY_VALUE_MAX]; 1962 char value[PROPERTY_VALUE_MAX]; 1963 int mccmnc; 1964 1965 adev->dualmic_config = DUALMIC_CONFIG_NONE; 1966 adev->fluence_in_voice_call = false; 1967 adev->fluence_in_voice_rec = false; 1968 adev->mic_type_analog = false; 1969 1970 property_get("persist.audio.handset.mic.type",value,""); 1971 if (!strncmp("analog", value, 6)) 1972 adev->mic_type_analog = true; 1973 1974 property_get("persist.audio.dualmic.config",value,""); 1975 if (!strncmp("broadside", value, 9)) { 1976 adev->dualmic_config = DUALMIC_CONFIG_BROADSIDE; 1977 adev->acdb_settings |= DMIC_FLAG; 1978 } else if (!strncmp("endfire", value, 7)) { 1979 adev->dualmic_config = DUALMIC_CONFIG_ENDFIRE; 1980 adev->acdb_settings |= DMIC_FLAG; 1981 } 1982 1983 if (adev->dualmic_config != DUALMIC_CONFIG_NONE) { 1984 property_get("persist.audio.fluence.voicecall",value,""); 1985 if (!strncmp("true", value, 4)) { 1986 adev->fluence_in_voice_call = true; 1987 } 1988 1989 property_get("persist.audio.fluence.voicerec",value,""); 1990 if (!strncmp("true", value, 4)) { 1991 adev->fluence_in_voice_rec = true; 1992 } 1993 } 1994 1995 property_get("gsm.sim.operator.numeric",value,"0"); 1996 mccmnc = atoi(value); 1997 ALOGV("%s: tmus mccmnc %d", __func__, mccmnc); 1998 switch(mccmnc) { 1999 /* TMUS MCC(310), MNC(490, 260, 026) */ 2000 case 310490: 2001 case 310260: 2002 case 310026: 2003 adev->is_tmus = true; 2004 break; 2005 default: 2006 adev->is_tmus = false; 2007 break; 2008 } 2009 2010 adev->acdb_handle = dlopen(LIB_ACDB_LOADER, RTLD_NOW); 2011 if (adev->acdb_handle == NULL) { 2012 ALOGE("%s: DLOPEN failed for %s", __func__, LIB_ACDB_LOADER); 2013 } else { 2014 ALOGV("%s: DLOPEN successful for %s", __func__, LIB_ACDB_LOADER); 2015 adev->acdb_deallocate = (acdb_deallocate_t)dlsym(adev->acdb_handle, 2016 "acdb_loader_deallocate_ACDB"); 2017 adev->acdb_send_audio_cal = (acdb_send_audio_cal_t)dlsym(adev->acdb_handle, 2018 "acdb_loader_send_audio_cal"); 2019 adev->acdb_send_voice_cal = (acdb_send_voice_cal_t)dlsym(adev->acdb_handle, 2020 "acdb_loader_send_voice_cal"); 2021 adev->acdb_init = (acdb_init_t)dlsym(adev->acdb_handle, 2022 "acdb_loader_init_ACDB"); 2023 if (adev->acdb_init == NULL) 2024 ALOGE("%s: dlsym error %s for acdb_loader_init_ACDB", __func__, dlerror()); 2025 else 2026 adev->acdb_init(); 2027 } 2028 2029 /* If platform is Fusion3, load CSD Client specific symbols 2030 * Voice call is handled by MDM and apps processor talks to 2031 * MDM through CSD Client 2032 */ 2033 property_get("ro.board.platform", platform, ""); 2034 property_get("ro.baseband", baseband, ""); 2035 if (!strcmp("msm8960", platform) && !strcmp("mdm", baseband)) { 2036 adev->csd_client = dlopen(LIB_CSD_CLIENT, RTLD_NOW); 2037 if (adev->csd_client == NULL) 2038 ALOGE("%s: DLOPEN failed for %s", __func__, LIB_CSD_CLIENT); 2039 } 2040 2041 if (adev->csd_client) { 2042 ALOGV("%s: DLOPEN successful for %s", __func__, LIB_CSD_CLIENT); 2043 adev->csd_client_deinit = (csd_client_deinit_t)dlsym(adev->csd_client, 2044 "csd_client_deinit"); 2045 adev->csd_disable_device = (csd_disable_device_t)dlsym(adev->csd_client, 2046 "csd_client_disable_device"); 2047 adev->csd_enable_device = (csd_enable_device_t)dlsym(adev->csd_client, 2048 "csd_client_enable_device"); 2049 adev->csd_start_voice = (csd_start_voice_t)dlsym(adev->csd_client, 2050 "csd_client_start_voice"); 2051 adev->csd_stop_voice = (csd_stop_voice_t)dlsym(adev->csd_client, 2052 "csd_client_stop_voice"); 2053 adev->csd_volume = (csd_volume_t)dlsym(adev->csd_client, 2054 "csd_client_volume"); 2055 adev->csd_mic_mute = (csd_mic_mute_t)dlsym(adev->csd_client, 2056 "csd_client_mic_mute"); 2057 adev->csd_client_init = (csd_client_init_t)dlsym(adev->csd_client, 2058 "csd_client_init"); 2059 2060 if (adev->csd_client_init == NULL) { 2061 ALOGE("%s: dlsym error %s for csd_client_init", __func__, dlerror()); 2062 } else { 2063 adev->csd_client_init(); 2064 } 2065 } 2066} 2067 2068static int adev_open(const hw_module_t *module, const char *name, 2069 hw_device_t **device) 2070{ 2071 struct audio_device *adev; 2072 int ret; 2073 2074 ALOGV("%s: enter", __func__); 2075 if (strcmp(name, AUDIO_HARDWARE_INTERFACE) != 0) return -EINVAL; 2076 2077 adev = calloc(1, sizeof(struct audio_device)); 2078 2079 adev->mixer = mixer_open(MIXER_CARD); 2080 if (!adev->mixer) { 2081 ALOGE("Unable to open the mixer, aborting."); 2082 return -ENOSYS; 2083 } 2084 2085 adev->audio_route = audio_route_init(MIXER_CARD, MIXER_XML_PATH); 2086 if (!adev->audio_route) { 2087 free(adev); 2088 ALOGE("%s: Failed to init audio route controls, aborting.", __func__); 2089 *device = NULL; 2090 return -EINVAL; 2091 } 2092 2093 adev->device.common.tag = HARDWARE_DEVICE_TAG; 2094 adev->device.common.version = AUDIO_DEVICE_API_VERSION_2_0; 2095 adev->device.common.module = (struct hw_module_t *)module; 2096 adev->device.common.close = adev_close; 2097 2098 adev->device.init_check = adev_init_check; 2099 adev->device.set_voice_volume = adev_set_voice_volume; 2100 adev->device.set_master_volume = adev_set_master_volume; 2101 adev->device.get_master_volume = adev_get_master_volume; 2102 adev->device.set_master_mute = adev_set_master_mute; 2103 adev->device.get_master_mute = adev_get_master_mute; 2104 adev->device.set_mode = adev_set_mode; 2105 adev->device.set_mic_mute = adev_set_mic_mute; 2106 adev->device.get_mic_mute = adev_get_mic_mute; 2107 adev->device.set_parameters = adev_set_parameters; 2108 adev->device.get_parameters = adev_get_parameters; 2109 adev->device.get_input_buffer_size = adev_get_input_buffer_size; 2110 adev->device.open_output_stream = adev_open_output_stream; 2111 adev->device.close_output_stream = adev_close_output_stream; 2112 adev->device.open_input_stream = adev_open_input_stream; 2113 adev->device.close_input_stream = adev_close_input_stream; 2114 adev->device.dump = adev_dump; 2115 2116 /* Set the default route before the PCM stream is opened */ 2117 pthread_mutex_lock(&adev->lock); 2118 adev->mode = AUDIO_MODE_NORMAL; 2119 adev->active_input = NULL; 2120 adev->out_device = AUDIO_DEVICE_NONE; 2121 adev->voice_call_rx = NULL; 2122 adev->voice_call_tx = NULL; 2123 adev->voice_volume = 1.0f; 2124 adev->tty_mode = TTY_MODE_OFF; 2125 adev->bluetooth_nrec = true; 2126 adev->cur_out_snd_device = 0; 2127 adev->cur_in_snd_device = 0; 2128 adev->out_snd_device_active = false; 2129 adev->in_snd_device_active = false; 2130 adev->usecase_list.next = NULL; 2131 adev->usecase_list.id = USECASE_INVALID; 2132 adev->in_call = false; 2133 adev->acdb_settings = TTY_MODE_OFF; 2134 pthread_mutex_unlock(&adev->lock); 2135 2136 /* Loads platform specific libraries dynamically */ 2137 init_platform_data(adev); 2138 2139 *device = &adev->device.common; 2140 2141 ALOGV("%s: exit", __func__); 2142 return 0; 2143} 2144 2145static struct hw_module_methods_t hal_module_methods = { 2146 .open = adev_open, 2147}; 2148 2149struct audio_module HAL_MODULE_INFO_SYM = { 2150 .common = { 2151 .tag = HARDWARE_MODULE_TAG, 2152 .module_api_version = AUDIO_MODULE_API_VERSION_0_1, 2153 .hal_api_version = HARDWARE_HAL_API_VERSION, 2154 .id = AUDIO_HARDWARE_MODULE_ID, 2155 .name = "QCOM Audio HAL", 2156 .author = "Code Aurora Forum", 2157 .methods = &hal_module_methods, 2158 }, 2159}; 2160