18e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda/* 28e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda * Copyright (C) 2014 The Android Open Source Project 38e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda * 48e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda * Licensed under the Apache License, Version 2.0 (the "License"); 58e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda * you may not use this file except in compliance with the License. 68e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda * You may obtain a copy of the License at 78e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda * 88e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda * http://www.apache.org/licenses/LICENSE-2.0 98e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda * 108e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda * Unless required by applicable law or agreed to in writing, software 118e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda * distributed under the License is distributed on an "AS IS" BASIS, 128e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 138e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda * See the License for the specific language governing permissions and 148e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda * limitations under the License. 158e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda */ 168e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda 178e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda#define LOG_TAG "audio_hw_hfp" 188e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda/*#define LOG_NDEBUG 0*/ 198e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda#define LOG_NDDEBUG 0 208e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda 218e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda#include <errno.h> 228e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda#include <math.h> 238e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda#include <cutils/log.h> 248e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda 258e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda#include "audio_hw.h" 268e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda#include "platform.h" 278e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda#include "platform_api.h" 288e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda#include <stdlib.h> 298e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda#include <cutils/str_parms.h> 308e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda 318e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda#define AUDIO_PARAMETER_HFP_ENABLE "hfp_enable" 328e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda#define AUDIO_PARAMETER_HFP_SET_SAMPLING_RATE "hfp_set_sampling_rate" 338e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda#define AUDIO_PARAMETER_KEY_HFP_VOLUME "hfp_volume" 348e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda 358e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamandastatic int32_t start_hfp(struct audio_device *adev, 368e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda struct str_parms *parms); 378e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda 388e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamandastatic int32_t stop_hfp(struct audio_device *adev); 398e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda 408e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamandastruct hfp_module { 418e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda struct pcm *hfp_sco_rx; 428e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda struct pcm *hfp_sco_tx; 438e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda struct pcm *hfp_pcm_rx; 448e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda struct pcm *hfp_pcm_tx; 458e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda float hfp_volume; 468e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda bool is_hfp_running; 478e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda audio_usecase_t ucid; 488e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda}; 498e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda 508e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamandastatic struct hfp_module hfpmod = { 518e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda .hfp_sco_rx = NULL, 528e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda .hfp_sco_tx = NULL, 538e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda .hfp_pcm_rx = NULL, 548e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda .hfp_pcm_tx = NULL, 558e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda .hfp_volume = 0, 568e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda .is_hfp_running = 0, 578e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda .ucid = USECASE_AUDIO_HFP_SCO, 588e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda}; 598e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamandastatic struct pcm_config pcm_config_hfp = { 608e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda .channels = 1, 618e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda .rate = 8000, 628e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda .period_size = 240, 638e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda .period_count = 2, 648e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda .format = PCM_FORMAT_S16_LE, 658e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda .start_threshold = 0, 668e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda .stop_threshold = INT_MAX, 678e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda .avail_min = 0, 688e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda}; 698e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda 708e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamandastatic int32_t hfp_set_volume(struct audio_device *adev, float value) 718e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda{ 728e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda int32_t vol, ret = 0; 738e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda struct mixer_ctl *ctl; 7428ddc6fe0a0411d37391798114623cc1f8fa8cc4Uday Kishore Pasupuleti#ifdef EXTERNAL_BT_SUPPORTED 7528ddc6fe0a0411d37391798114623cc1f8fa8cc4Uday Kishore Pasupuleti const char *mixer_ctl_name = "PRI AUXPCM LOOPBACK Volume"; 7628ddc6fe0a0411d37391798114623cc1f8fa8cc4Uday Kishore Pasupuleti#else 778e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda const char *mixer_ctl_name = "Internal HFP RX Volume"; 7828ddc6fe0a0411d37391798114623cc1f8fa8cc4Uday Kishore Pasupuleti#endif 798e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda 808e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda ALOGV("%s: entry", __func__); 818e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda ALOGD("%s: (%f)\n", __func__, value); 828e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda 838e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda if (value < 0.0) { 848e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda ALOGW("%s: (%f) Under 0.0, assuming 0.0\n", __func__, value); 858e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda value = 0.0; 868e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda } else { 878e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda value = ((value > 15.000000) ? 1.0 : (value / 15)); 888e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda ALOGW("%s: Volume brought with in range (%f)\n", __func__, value); 898e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda } 908e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda vol = lrint((value * 0x2000) + 0.5); 918e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda hfpmod.hfp_volume = value; 928e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda 938e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda if (!hfpmod.is_hfp_running) { 948e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda ALOGV("%s: HFP not active, ignoring set_hfp_volume call", __func__); 958e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda return -EIO; 968e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda } 978e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda 988e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda ALOGD("%s: Setting HFP volume to %d \n", __func__, vol); 998e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda ctl = mixer_get_ctl_by_name(adev->mixer, mixer_ctl_name); 1008e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda if (!ctl) { 1018e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda ALOGE("%s: Could not get ctl for mixer cmd - %s", 1028e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda __func__, mixer_ctl_name); 1038e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda return -EINVAL; 1048e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda } 1058e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda if(mixer_ctl_set_value(ctl, 0, vol) < 0) { 1068e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda ALOGE("%s: Couldn't set HFP Volume: [%d]", __func__, vol); 1078e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda return -EINVAL; 1088e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda } 1098e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda 1108e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda ALOGV("%s: exit", __func__); 1118e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda return ret; 1128e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda} 1138e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda 1148e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamandastatic int32_t start_hfp(struct audio_device *adev, 115cc9649b4f1e7d109ed005819971c3d9657a19711Haynes Mathew George struct str_parms *parms __unused) 1168e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda{ 1178e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda int32_t i, ret = 0; 1188e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda struct audio_usecase *uc_info; 1198e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda int32_t pcm_dev_rx_id, pcm_dev_tx_id, pcm_dev_asm_rx_id, pcm_dev_asm_tx_id; 1208e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda 1218e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda ALOGD("%s: enter", __func__); 1227629719778eab7ca3729f26f2e5ad5120faa9c71Uday Kishore Pasupuleti adev->enable_hfp = true; 123a1f480505a2e11b65e8fe6590239bd87b3a33f11Uday Kishore Pasupuleti platform_set_mic_mute(adev->platform, false); 1248e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda 1258e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda uc_info = (struct audio_usecase *)calloc(1, sizeof(struct audio_usecase)); 1268e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda uc_info->id = hfpmod.ucid; 1278e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda uc_info->type = PCM_HFP_CALL; 1288e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda uc_info->stream.out = adev->primary_output; 1298e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda uc_info->devices = adev->primary_output->devices; 1308e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda uc_info->in_snd_device = SND_DEVICE_NONE; 1318e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda uc_info->out_snd_device = SND_DEVICE_NONE; 1328e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda 1338e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda list_add_tail(&adev->usecase_list, &uc_info->list); 1348e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda 1358e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda select_devices(adev, hfpmod.ucid); 1368e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda 1378e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda pcm_dev_rx_id = platform_get_pcm_device_id(uc_info->id, PCM_PLAYBACK); 1388e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda pcm_dev_tx_id = platform_get_pcm_device_id(uc_info->id, PCM_CAPTURE); 1398e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda pcm_dev_asm_rx_id = HFP_ASM_RX_TX; 1408e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda pcm_dev_asm_tx_id = HFP_ASM_RX_TX; 1418e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda if (pcm_dev_rx_id < 0 || pcm_dev_tx_id < 0 || 1428e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda pcm_dev_asm_rx_id < 0 || pcm_dev_asm_tx_id < 0 ) { 1438e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda ALOGE("%s: Invalid PCM devices (rx: %d tx: %d asm: rx tx %d) for the usecase(%d)", 1448e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda __func__, pcm_dev_rx_id, pcm_dev_tx_id, pcm_dev_asm_rx_id, uc_info->id); 1458e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda ret = -EIO; 1468e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda goto exit; 1478e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda } 1488e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda 1498e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda ALOGV("%s: HFP PCM devices (hfp rx tx: %d pcm rx tx: %d) for the usecase(%d)", 1508e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda __func__, pcm_dev_rx_id, pcm_dev_tx_id, uc_info->id); 1518e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda 1528e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda ALOGV("%s: Opening PCM playback device card_id(%d) device_id(%d)", 1534b89e37ad290ef955abf8ac1d151728303311345Vineeta Srivastava __func__, adev->snd_card, pcm_dev_rx_id); 1544b89e37ad290ef955abf8ac1d151728303311345Vineeta Srivastava hfpmod.hfp_sco_rx = pcm_open(adev->snd_card, 1558e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda pcm_dev_asm_rx_id, 1568e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda PCM_OUT, &pcm_config_hfp); 1578e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda if (hfpmod.hfp_sco_rx && !pcm_is_ready(hfpmod.hfp_sco_rx)) { 1588e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda ALOGE("%s: %s", __func__, pcm_get_error(hfpmod.hfp_sco_rx)); 1598e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda ret = -EIO; 1608e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda goto exit; 1618e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda } 1628e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda ALOGD("%s: Opening PCM capture device card_id(%d) device_id(%d)", 1634b89e37ad290ef955abf8ac1d151728303311345Vineeta Srivastava __func__, adev->snd_card, pcm_dev_tx_id); 1644b89e37ad290ef955abf8ac1d151728303311345Vineeta Srivastava hfpmod.hfp_pcm_rx = pcm_open(adev->snd_card, 1658e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda pcm_dev_rx_id, 1668e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda PCM_OUT, &pcm_config_hfp); 1678e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda if (hfpmod.hfp_pcm_rx && !pcm_is_ready(hfpmod.hfp_pcm_rx)) { 1688e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda ALOGE("%s: %s", __func__, pcm_get_error(hfpmod.hfp_pcm_rx)); 1698e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda ret = -EIO; 1708e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda goto exit; 1718e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda } 1724b89e37ad290ef955abf8ac1d151728303311345Vineeta Srivastava hfpmod.hfp_sco_tx = pcm_open(adev->snd_card, 1738e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda pcm_dev_asm_tx_id, 1748e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda PCM_IN, &pcm_config_hfp); 1758e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda if (hfpmod.hfp_sco_tx && !pcm_is_ready(hfpmod.hfp_sco_tx)) { 1768e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda ALOGE("%s: %s", __func__, pcm_get_error(hfpmod.hfp_sco_tx)); 1778e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda ret = -EIO; 1788e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda goto exit; 1798e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda } 1808e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda ALOGV("%s: Opening PCM capture device card_id(%d) device_id(%d)", 1814b89e37ad290ef955abf8ac1d151728303311345Vineeta Srivastava __func__, adev->snd_card, pcm_dev_tx_id); 1824b89e37ad290ef955abf8ac1d151728303311345Vineeta Srivastava hfpmod.hfp_pcm_tx = pcm_open(adev->snd_card, 1838e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda pcm_dev_tx_id, 1848e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda PCM_IN, &pcm_config_hfp); 1858e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda if (hfpmod.hfp_pcm_tx && !pcm_is_ready(hfpmod.hfp_pcm_tx)) { 1868e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda ALOGE("%s: %s", __func__, pcm_get_error(hfpmod.hfp_pcm_tx)); 1878e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda ret = -EIO; 1888e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda goto exit; 1898e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda } 1908e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda pcm_start(hfpmod.hfp_sco_rx); 1918e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda pcm_start(hfpmod.hfp_sco_tx); 1928e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda pcm_start(hfpmod.hfp_pcm_rx); 1938e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda pcm_start(hfpmod.hfp_pcm_tx); 1948e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda 1958e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda hfpmod.is_hfp_running = true; 1968e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda hfp_set_volume(adev, hfpmod.hfp_volume); 1978e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda 1988e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda ALOGD("%s: exit: status(%d)", __func__, ret); 1998e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda return 0; 2008e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda 2018e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamandaexit: 2028e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda stop_hfp(adev); 2038e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda ALOGE("%s: Problem in HFP start: status(%d)", __func__, ret); 2048e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda return ret; 2058e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda} 2068e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda 2078e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamandastatic int32_t stop_hfp(struct audio_device *adev) 2088e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda{ 2098e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda int32_t i, ret = 0; 2108e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda struct audio_usecase *uc_info; 2118e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda 2128e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda ALOGD("%s: enter", __func__); 2138e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda hfpmod.is_hfp_running = false; 2148e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda 2158e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda /* 1. Close the PCM devices */ 2168e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda if (hfpmod.hfp_sco_rx) { 2178e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda pcm_close(hfpmod.hfp_sco_rx); 2188e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda hfpmod.hfp_sco_rx = NULL; 2198e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda } 2208e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda if (hfpmod.hfp_sco_tx) { 2218e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda pcm_close(hfpmod.hfp_sco_tx); 2228e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda hfpmod.hfp_sco_tx = NULL; 2238e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda } 2248e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda if (hfpmod.hfp_pcm_rx) { 2258e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda pcm_close(hfpmod.hfp_pcm_rx); 2268e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda hfpmod.hfp_pcm_rx = NULL; 2278e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda } 2288e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda if (hfpmod.hfp_pcm_tx) { 2298e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda pcm_close(hfpmod.hfp_pcm_tx); 2308e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda hfpmod.hfp_pcm_tx = NULL; 2318e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda } 2328e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda 2338e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda uc_info = get_usecase_from_list(adev, hfpmod.ucid); 2348e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda if (uc_info == NULL) { 2358e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda ALOGE("%s: Could not find the usecase (%d) in the list", 2368e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda __func__, hfpmod.ucid); 2378e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda return -EINVAL; 2388e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda } 2398e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda 2408e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda /* 2. Get and set stream specific mixer controls */ 2418e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda disable_audio_route(adev, uc_info); 2428e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda 2438e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda /* 3. Disable the rx and tx devices */ 2448e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda disable_snd_device(adev, uc_info->out_snd_device); 2458e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda disable_snd_device(adev, uc_info->in_snd_device); 2468e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda 247a1f480505a2e11b65e8fe6590239bd87b3a33f11Uday Kishore Pasupuleti /* Disable the echo reference for HFP Tx */ 248a1f480505a2e11b65e8fe6590239bd87b3a33f11Uday Kishore Pasupuleti platform_set_echo_reference(adev, false, AUDIO_DEVICE_NONE); 249a1f480505a2e11b65e8fe6590239bd87b3a33f11Uday Kishore Pasupuleti 250a1f480505a2e11b65e8fe6590239bd87b3a33f11Uday Kishore Pasupuleti /* Set the unmute Tx mixer control */ 251a1f480505a2e11b65e8fe6590239bd87b3a33f11Uday Kishore Pasupuleti if (voice_get_mic_mute(adev)) { 252a1f480505a2e11b65e8fe6590239bd87b3a33f11Uday Kishore Pasupuleti platform_set_mic_mute(adev->platform, false); 253a1f480505a2e11b65e8fe6590239bd87b3a33f11Uday Kishore Pasupuleti ALOGD("%s: unMute HFP Tx", __func__); 254a1f480505a2e11b65e8fe6590239bd87b3a33f11Uday Kishore Pasupuleti } 255a1f480505a2e11b65e8fe6590239bd87b3a33f11Uday Kishore Pasupuleti adev->enable_hfp = false; 256a1f480505a2e11b65e8fe6590239bd87b3a33f11Uday Kishore Pasupuleti 2578e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda list_remove(&uc_info->list); 2588e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda free(uc_info); 2598e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda 2608e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda ALOGD("%s: exit: status(%d)", __func__, ret); 2618e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda return ret; 2628e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda} 2638e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda 2648e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamandabool audio_extn_hfp_is_active(struct audio_device *adev) 2658e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda{ 2668e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda struct audio_usecase *hfp_usecase = NULL; 2678e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda hfp_usecase = get_usecase_from_list(adev, hfpmod.ucid); 2688e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda 2698e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda if (hfp_usecase != NULL) 2708e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda return true; 2718e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda else 2728e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda return false; 2738e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda} 2748e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda 2758e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamandaaudio_usecase_t audio_extn_hfp_get_usecase() 2768e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda{ 2778e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda return hfpmod.ucid; 2788e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda} 2798e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda 2808e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamandavoid audio_extn_hfp_set_parameters(struct audio_device *adev, struct str_parms *parms) 2818e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda{ 2828e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda int ret; 2838e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda int rate; 2848e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda int val; 2858e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda float vol; 2868e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda char value[32]={0}; 2878e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda 2888e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda ret = str_parms_get_str(parms, AUDIO_PARAMETER_HFP_ENABLE, value, 2898e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda sizeof(value)); 2908e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda if (ret >= 0) { 2918e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda if (!strncmp(value,"true",sizeof(value))) 2928e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda ret = start_hfp(adev,parms); 2938e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda else 2948e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda stop_hfp(adev); 2958e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda } 2968e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda memset(value, 0, sizeof(value)); 2978e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda ret = str_parms_get_str(parms,AUDIO_PARAMETER_HFP_SET_SAMPLING_RATE, value, 2988e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda sizeof(value)); 2998e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda if (ret >= 0) { 3008e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda rate = atoi(value); 3018e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda if (rate == 8000){ 3028e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda hfpmod.ucid = USECASE_AUDIO_HFP_SCO; 3038e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda pcm_config_hfp.rate = rate; 3048e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda } else if (rate == 16000){ 3058e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda hfpmod.ucid = USECASE_AUDIO_HFP_SCO_WB; 3068e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda pcm_config_hfp.rate = rate; 3078e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda } else 3088e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda ALOGE("Unsupported rate.."); 3098e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda } 3108e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda 3118e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda if (hfpmod.is_hfp_running) { 3128e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda memset(value, 0, sizeof(value)); 3138e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda ret = str_parms_get_str(parms, AUDIO_PARAMETER_STREAM_ROUTING, 3148e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda value, sizeof(value)); 3158e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda if (ret >= 0) { 3168e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda val = atoi(value); 3178e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda if (val > 0) 3188e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda select_devices(adev, hfpmod.ucid); 3198e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda } 3208e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda } 3218e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda 3228e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda memset(value, 0, sizeof(value)); 3238e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda ret = str_parms_get_str(parms, AUDIO_PARAMETER_KEY_HFP_VOLUME, 3248e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda value, sizeof(value)); 3258e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda if (ret >= 0) { 3268e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda if (sscanf(value, "%f", &vol) != 1){ 3278e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda ALOGE("%s: error in retrieving hfp volume", __func__); 3288e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda ret = -EIO; 3298e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda goto exit; 3308e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda } 3318e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda ALOGD("%s: set_hfp_volume usecase, Vol: [%f]", __func__, vol); 3328e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda hfp_set_volume(adev, vol); 3338e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda } 3348e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamandaexit: 3358e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda ALOGV("%s Exit",__func__); 3368e6e98fc5af6d6f79bc71eb37df470380ae82fadRavi Kumar Alamanda} 337