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review.blissroms.org / platform_hardware_qcom_audio / 2bf04328e721f2cddaa63ae765788dab6f29250f / . / hal / audio_hw.c
blob: 15b1be01221185c3fe21ce3a77231af9c31787b5 [file] [log] [blame]
/*
* Copyright (C) 2013 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#define LOG_TAG "audio_hw_primary"
/*#define LOG_NDEBUG 0*/
#define LOG_NDDEBUG 0
#include <errno.h>
#include <pthread.h>
#include <stdint.h>
#include <sys/time.h>
#include <stdlib.h>
#include <dlfcn.h>
#include <math.h>
#include <cutils/log.h>
#include <cutils/str_parms.h>
#include <cutils/properties.h>
#include <cutils/list.h>
#include "audio_hw.h"
#define LIB_ACDB_LOADER "/system/lib/libacdbloader.so"
#define LIB_CSD_CLIENT "/system/lib/libcsd-client.so"
#define MIXER_XML_PATH "/system/etc/mixer_paths.xml"
#define MIXER_CARD 0
#define STRING_TO_ENUM(string) { #string, string }
/* Flags used to initialize acdb_settings variable that goes to ACDB library */
#define DMIC_FLAG 0x00000002
#define TTY_MODE_OFF 0x00000010
#define TTY_MODE_FULL 0x00000020
#define TTY_MODE_VCO 0x00000040
#define TTY_MODE_HCO 0x00000080
#define TTY_MODE_CLEAR 0xFFFFFF0F
struct string_to_enum {
const char *name;
uint32_t value;
};
static const struct string_to_enum out_channels_name_to_enum_table[] = {
STRING_TO_ENUM(AUDIO_CHANNEL_OUT_STEREO),
STRING_TO_ENUM(AUDIO_CHANNEL_OUT_5POINT1),
STRING_TO_ENUM(AUDIO_CHANNEL_OUT_7POINT1),
};
static const char * const use_case_table[AUDIO_USECASE_MAX] = {
[USECASE_AUDIO_PLAYBACK_DEEP_BUFFER] = "deep-buffer-playback",
[USECASE_AUDIO_PLAYBACK_LOW_LATENCY] = "low-latency-playback",
[USECASE_AUDIO_PLAYBACK_MULTI_CH] = "multi-channel-playback",
[USECASE_AUDIO_RECORD] = "audio-record",
[USECASE_AUDIO_RECORD_LOW_LATENCY] = "low-latency-record",
[USECASE_VOICE_CALL] = "voice-call",
};
static const int pcm_device_table[AUDIO_USECASE_MAX][2] = {
[USECASE_AUDIO_PLAYBACK_DEEP_BUFFER] = {0, 0},
[USECASE_AUDIO_PLAYBACK_LOW_LATENCY] = {14, 14},
[USECASE_AUDIO_PLAYBACK_MULTI_CH] = {1, 1},
[USECASE_AUDIO_RECORD] = {0, 0},
[USECASE_AUDIO_RECORD_LOW_LATENCY] = {14, 14},
[USECASE_VOICE_CALL] = {12, 12},
};
/* Array to store sound devices */
static const char * const device_table[SND_DEVICE_MAX] = {
[SND_DEVICE_NONE] = "none",
/* Playback sound devices */
[SND_DEVICE_OUT_HANDSET] = "handset",
[SND_DEVICE_OUT_SPEAKER] = "speaker",
[SND_DEVICE_OUT_HEADPHONES] = "headphones",
[SND_DEVICE_OUT_SPEAKER_AND_HEADPHONES] = "speaker-and-headphones",
[SND_DEVICE_OUT_VOICE_SPEAKER] = "voice-speaker",
[SND_DEVICE_OUT_VOICE_HEADPHONES] = "voice-headphones",
[SND_DEVICE_OUT_HDMI] = "hdmi",
[SND_DEVICE_OUT_SPEAKER_AND_HDMI] = "speaker-and-hdmi",
[SND_DEVICE_OUT_BT_SCO] = "bt-sco-headset",
[SND_DEVICE_OUT_VOICE_HANDSET_TMUS] = "voice-handset-tmus",
[SND_DEVICE_OUT_VOICE_TTY_FULL_HEADPHONES] = "voice-tty-full-headphones",
[SND_DEVICE_OUT_VOICE_TTY_VCO_HEADPHONES] = "voice-tty-vco-headphones",
[SND_DEVICE_OUT_VOICE_TTY_HCO_HANDSET] = "voice-tty-hco-handset",
/* Capture sound devices */
[SND_DEVICE_IN_HANDSET_MIC] = "handset-mic",
[SND_DEVICE_IN_SPEAKER_MIC] = "speaker-mic",
[SND_DEVICE_IN_HEADSET_MIC] = "headset-mic",
[SND_DEVICE_IN_VOICE_SPEAKER_MIC] = "voice-speaker-mic",
[SND_DEVICE_IN_VOICE_HEADSET_MIC] = "voice-headset-mic",
[SND_DEVICE_IN_HDMI_MIC] = "hdmi-mic",
[SND_DEVICE_IN_BT_SCO_MIC] = "bt-sco-mic",
[SND_DEVICE_IN_CAMCORDER_MIC] = "camcorder-mic",
[SND_DEVICE_IN_VOICE_DMIC_EF] = "voice-dmic-ef",
[SND_DEVICE_IN_VOICE_DMIC_BS] = "voice-dmic-bs",
[SND_DEVICE_IN_VOICE_DMIC_EF_TMUS] = "voice-dmic-ef-tmus",
[SND_DEVICE_IN_VOICE_SPEAKER_DMIC_EF] = "voice-speaker-dmic-ef",
[SND_DEVICE_IN_VOICE_SPEAKER_DMIC_BS] = "voice-speaker-dmic-bs",
[SND_DEVICE_IN_VOICE_TTY_FULL_HEADSET_MIC] = "voice-tty-full-headset-mic",
[SND_DEVICE_IN_VOICE_TTY_VCO_HANDSET_MIC] = "voice-tty-vco-handset-mic",
[SND_DEVICE_IN_VOICE_TTY_HCO_HEADSET_MIC] = "voice-tty-hco-headset-mic",
[SND_DEVICE_IN_VOICE_REC_MIC] = "voice-rec-mic",
[SND_DEVICE_IN_VOICE_REC_DMIC_EF] = "voice-rec-dmic-ef",
[SND_DEVICE_IN_VOICE_REC_DMIC_BS] = "voice-rec-dmic-bs",
[SND_DEVICE_IN_VOICE_REC_DMIC_EF_FLUENCE] = "voice-rec-dmic-ef-fluence",
[SND_DEVICE_IN_VOICE_REC_DMIC_BS_FLUENCE] = "voice-rec-dmic-bs-fluence",
};
/* ACDB IDs (audio DSP path configuration IDs) for each sound device */
static const int acdb_device_table[SND_DEVICE_MAX] = {
[SND_DEVICE_NONE] = -1,
[SND_DEVICE_OUT_HANDSET] = 7,
[SND_DEVICE_OUT_SPEAKER] = 14,
[SND_DEVICE_OUT_HEADPHONES] = 10,
[SND_DEVICE_OUT_SPEAKER_AND_HEADPHONES] = 10,
[SND_DEVICE_OUT_VOICE_SPEAKER] = 14,
[SND_DEVICE_OUT_VOICE_HEADPHONES] = 10,
[SND_DEVICE_OUT_HDMI] = 18,
[SND_DEVICE_OUT_SPEAKER_AND_HDMI] = 14,
[SND_DEVICE_OUT_BT_SCO] = 22,
[SND_DEVICE_OUT_VOICE_HANDSET_TMUS] = 81,
[SND_DEVICE_OUT_VOICE_TTY_FULL_HEADPHONES] = 17,
[SND_DEVICE_OUT_VOICE_TTY_VCO_HEADPHONES] = 17,
[SND_DEVICE_OUT_VOICE_TTY_HCO_HANDSET] = 37,
[SND_DEVICE_IN_HANDSET_MIC] = 4,
[SND_DEVICE_IN_SPEAKER_MIC] = 4,
[SND_DEVICE_IN_HEADSET_MIC] = 8,
[SND_DEVICE_IN_VOICE_SPEAKER_MIC] = 11,
[SND_DEVICE_IN_VOICE_HEADSET_MIC] = 8,
[SND_DEVICE_IN_HDMI_MIC] = 4,
[SND_DEVICE_IN_BT_SCO_MIC] = 21,
[SND_DEVICE_IN_CAMCORDER_MIC] = 61,
[SND_DEVICE_IN_VOICE_DMIC_EF] = 6,
[SND_DEVICE_IN_VOICE_DMIC_BS] = 5,
[SND_DEVICE_IN_VOICE_DMIC_EF_TMUS] = 91,
[SND_DEVICE_IN_VOICE_SPEAKER_DMIC_EF] = 13,
[SND_DEVICE_IN_VOICE_SPEAKER_DMIC_BS] = 12,
[SND_DEVICE_IN_VOICE_TTY_FULL_HEADSET_MIC] = 16,
[SND_DEVICE_IN_VOICE_TTY_VCO_HANDSET_MIC] = 36,
[SND_DEVICE_IN_VOICE_TTY_HCO_HEADSET_MIC] = 16,
[SND_DEVICE_IN_VOICE_REC_MIC] = 62,
[SND_DEVICE_IN_VOICE_REC_DMIC_EF] = 62,
[SND_DEVICE_IN_VOICE_REC_DMIC_BS] = 62,
/* TODO: Update with proper acdb ids */
[SND_DEVICE_IN_VOICE_REC_DMIC_EF_FLUENCE] = 62,
[SND_DEVICE_IN_VOICE_REC_DMIC_BS_FLUENCE] = 62,
};
int edid_get_max_channels(void);
static pthread_once_t check_op_once_ctl = PTHREAD_ONCE_INIT;
static bool is_tmus = false;
static void check_operator()
{
char value[PROPERTY_VALUE_MAX];
int mccmnc;
property_get("gsm.sim.operator.numeric",value,"0");
mccmnc = atoi(value);
ALOGD("%s: tmus mccmnc %d", __func__, mccmnc);
switch(mccmnc) {
/* TMUS MCC(310), MNC(490, 260, 026) */
case 310490:
case 310260:
case 310026:
is_tmus = true;
break;
}
}
static bool is_operator_tmus()
{
pthread_once(&check_op_once_ctl, check_operator);
return is_tmus;
}
static int get_pcm_device_id(struct audio_route *ar,
audio_usecase_t usecase,
int device_type)
{
int device_id;
if (device_type == PCM_PLAYBACK)
device_id = pcm_device_table[usecase][0];
else
device_id = pcm_device_table[usecase][1];
return device_id;
}
static int get_acdb_device_id(snd_device_t snd_device)
{
return acdb_device_table[snd_device];
}
static void add_backend_name(char *mixer_path,
snd_device_t snd_device)
{
if (snd_device == SND_DEVICE_IN_BT_SCO_MIC)
strcat(mixer_path, " bt-sco");
else if(snd_device == SND_DEVICE_OUT_BT_SCO)
strcat(mixer_path, " bt-sco");
else if (snd_device == SND_DEVICE_OUT_HDMI)
strcat(mixer_path, " hdmi");
else if (snd_device == SND_DEVICE_OUT_SPEAKER_AND_HDMI)
strcat(mixer_path, " speaker-and-hdmi");
}
static int enable_audio_route(struct audio_device *adev,
struct audio_usecase *usecase,
bool update_mixer)
{
snd_device_t snd_device;
char mixer_path[50];
if (usecase == NULL)
return -EINVAL;
ALOGV("%s: enter: usecase(%d)", __func__, usecase->id);
if (usecase->type == PCM_CAPTURE)
snd_device = usecase->in_snd_device;
else
snd_device = usecase->out_snd_device;
strcpy(mixer_path, use_case_table[usecase->id]);
add_backend_name(mixer_path, snd_device);
ALOGD("%s: apply mixer path: %s", __func__, mixer_path);
audio_route_apply_path(adev->audio_route, mixer_path);
if (update_mixer)
audio_route_update_mixer(adev->audio_route);
ALOGV("%s: exit", __func__);
return 0;
}
static int disable_audio_route(struct audio_device *adev,
struct audio_usecase *usecase,
bool update_mixer)
{
snd_device_t snd_device;
char mixer_path[50];
if (usecase == NULL)
return -EINVAL;
ALOGV("%s: enter: usecase(%d)", __func__, usecase->id);
if (usecase->type == PCM_CAPTURE)
snd_device = usecase->in_snd_device;
else
snd_device = usecase->out_snd_device;
strcpy(mixer_path, use_case_table[usecase->id]);
add_backend_name(mixer_path, snd_device);
ALOGD("%s: reset mixer path: %s", __func__, mixer_path);
audio_route_reset_path(adev->audio_route, mixer_path);
if (update_mixer)
audio_route_update_mixer(adev->audio_route);
ALOGV("%s: exit", __func__);
return 0;
}
static int enable_snd_device(struct audio_device *adev,
snd_device_t snd_device,
bool update_mixer)
{
int acdb_dev_id, acdb_dev_type;
if (snd_device < SND_DEVICE_MIN ||
snd_device >= SND_DEVICE_MAX) {
ALOGE("%s: Invalid sound device %d", __func__, snd_device);
return -EINVAL;
}
adev->snd_dev_ref_cnt[snd_device]++;
if (adev->snd_dev_ref_cnt[snd_device] > 1) {
ALOGD("%s: snd_device(%d: %s) is already active",
__func__, snd_device, device_table[snd_device]);
return 0;
}
acdb_dev_id = get_acdb_device_id(snd_device);
if (acdb_dev_id < 0) {
ALOGE("%s: Could not find acdb id for device(%d)",
__func__, snd_device);
adev->snd_dev_ref_cnt[snd_device]--;
return -EINVAL;
}
if (adev->acdb_send_audio_cal) {
ALOGV("%s: sending audio calibration for snd_device(%d) acdb_id(%d)",
__func__, snd_device, acdb_dev_id);
if (snd_device >= SND_DEVICE_OUT_BEGIN &&
snd_device < SND_DEVICE_OUT_END)
acdb_dev_type = ACDB_DEV_TYPE_OUT;
else
acdb_dev_type = ACDB_DEV_TYPE_IN;
adev->acdb_send_audio_cal(acdb_dev_id, acdb_dev_type);
} else {
ALOGW("%s: Could find the symbol acdb_send_audio_cal from %s",
__func__, LIB_ACDB_LOADER);
}
ALOGD("%s: snd_device(%d: %s)", __func__,
snd_device, device_table[snd_device]);
audio_route_apply_path(adev->audio_route, device_table[snd_device]);
if (update_mixer)
audio_route_update_mixer(adev->audio_route);
return 0;
}
static int disable_snd_device(struct audio_device *adev,
snd_device_t snd_device,
bool update_mixer)
{
if (snd_device < SND_DEVICE_MIN ||
snd_device >= SND_DEVICE_MAX) {
ALOGE("%s: Invalid sound device %d", __func__, snd_device);
return -EINVAL;
}
if (adev->snd_dev_ref_cnt[snd_device] <= 0) {
ALOGE("%s: device ref cnt is already 0", __func__);
return -EINVAL;
}
adev->snd_dev_ref_cnt[snd_device]--;
if (adev->snd_dev_ref_cnt[snd_device] == 0) {
ALOGD("%s: snd_device(%d: %s)", __func__,
snd_device, device_table[snd_device]);
audio_route_reset_path(adev->audio_route, device_table[snd_device]);
if (update_mixer)
audio_route_update_mixer(adev->audio_route);
}
return 0;
}
static void check_usecases_codec_backend(struct audio_device *adev,
struct audio_usecase *uc_info,
snd_device_t snd_device)
{
struct listnode *node;
struct audio_usecase *usecase;
bool switch_device[AUDIO_USECASE_MAX];
int i, num_uc_to_switch = 0;
/*
* This function is to make sure that all the usecases that are active on
* the hardware codec backend are always routed to any one device that is
* handled by the hardware codec.
* For example, if low-latency and deep-buffer usecases are currently active
* on speaker and out_set_parameters(headset) is received on low-latency
* output, then we have to make sure deep-buffer is also switched to headset,
* because of the limitation that both the devices cannot be enabled
* at the same time as they share the same backend.
*/
/* Disable all the usecases on the shared backend other than the
specified usecase */
for (i = 0; i < AUDIO_USECASE_MAX; i++)
switch_device[i] = false;
list_for_each(node, &adev->usecase_list) {
usecase = node_to_item(node, struct audio_usecase, list);
if (usecase->type != PCM_CAPTURE &&
usecase != uc_info &&
usecase->out_snd_device != snd_device &&
usecase->devices & AUDIO_DEVICE_OUT_ALL_CODEC_BACKEND) {
ALOGV("%s: Usecase (%s) is active on (%s) - disabling ..",
__func__, use_case_table[usecase->id],
device_table[usecase->out_snd_device]);
disable_audio_route(adev, usecase, false);
switch_device[usecase->id] = true;
num_uc_to_switch++;
}
}
if (num_uc_to_switch) {
/* Make sure all the streams are de-routed before disabling the device */
audio_route_update_mixer(adev->audio_route);
list_for_each(node, &adev->usecase_list) {
usecase = node_to_item(node, struct audio_usecase, list);
if (switch_device[usecase->id]) {
disable_snd_device(adev, usecase->out_snd_device, false);
enable_snd_device(adev, snd_device, false);
}
}
/* Make sure new snd device is enabled before re-routing the streams */
audio_route_update_mixer(adev->audio_route);
/* Re-route all the usecases on the shared backend other than the
specified usecase to new snd devices */
list_for_each(node, &adev->usecase_list) {
usecase = node_to_item(node, struct audio_usecase, list);
/* Update the out_snd_device only before enabling the audio route */
if (switch_device[usecase->id] ) {
usecase->out_snd_device = snd_device;
enable_audio_route(adev, usecase, false);
}
}
audio_route_update_mixer(adev->audio_route);
}
}
static int set_hdmi_channels(struct mixer *mixer,
int channel_count)
{
struct mixer_ctl *ctl;
const char *channel_cnt_str = NULL;
const char *mixer_ctl_name = "HDMI_RX Channels";
switch (channel_count) {
case 8:
channel_cnt_str = "Eight"; break;
case 7:
channel_cnt_str = "Seven"; break;
case 6:
channel_cnt_str = "Six"; break;
case 5:
channel_cnt_str = "Five"; break;
case 4:
channel_cnt_str = "Four"; break;
case 3:
channel_cnt_str = "Three"; break;
default:
channel_cnt_str = "Two"; break;
}
ctl = mixer_get_ctl_by_name(mixer, mixer_ctl_name);
if (!ctl) {
ALOGE("%s: Could not get ctl for mixer cmd - %s",
__func__, mixer_ctl_name);
return -EINVAL;
}
ALOGV("HDMI channel count: %s", channel_cnt_str);
mixer_ctl_set_enum_by_string(ctl, channel_cnt_str);
return 0;
}
/* must be called with hw device mutex locked */
static void read_hdmi_channel_masks(struct stream_out *out)
{
int channels = edid_get_max_channels();
ALOGV("%s: enter", __func__);
switch (channels) {
/*
* Do not handle stereo output in Multi-channel cases
* Stereo case is handled in normal playback path
*/
case 6:
ALOGV("%s: HDMI supports 5.1", __func__);
out->supported_channel_masks[0] = AUDIO_CHANNEL_OUT_5POINT1;
break;
case 8:
ALOGV("%s: HDMI supports 5.1 and 7.1 channels", __func__);
out->supported_channel_masks[0] = AUDIO_CHANNEL_OUT_5POINT1;
out->supported_channel_masks[1] = AUDIO_CHANNEL_OUT_7POINT1;
break;
default:
ALOGE("Unsupported number of channels (%d)", channels);
break;
}
ALOGV("%s: exit", __func__);
}
static snd_device_t get_output_snd_device(struct audio_device *adev,
audio_devices_t devices)
{
audio_mode_t mode = adev->mode;
snd_device_t snd_device = SND_DEVICE_NONE;
ALOGV("%s: enter: output devices(%#x)", __func__, devices);
if (devices == AUDIO_DEVICE_NONE ||
devices & AUDIO_DEVICE_BIT_IN) {
ALOGV("%s: Invalid output devices (%#x)", __func__, devices);
goto exit;
}
if (mode == AUDIO_MODE_IN_CALL) {
if (devices & AUDIO_DEVICE_OUT_WIRED_HEADPHONE ||
devices & AUDIO_DEVICE_OUT_WIRED_HEADSET) {
if (adev->tty_mode == TTY_MODE_FULL)
snd_device = SND_DEVICE_OUT_VOICE_TTY_FULL_HEADPHONES;
else if (adev->tty_mode == TTY_MODE_VCO)
snd_device = SND_DEVICE_OUT_VOICE_TTY_VCO_HEADPHONES;
else if (adev->tty_mode == TTY_MODE_HCO)
snd_device = SND_DEVICE_OUT_VOICE_TTY_HCO_HANDSET;
else
snd_device = SND_DEVICE_OUT_VOICE_HEADPHONES;
} else if (devices & AUDIO_DEVICE_OUT_ALL_SCO) {
snd_device = SND_DEVICE_OUT_BT_SCO;
} else if (devices & AUDIO_DEVICE_OUT_SPEAKER) {
snd_device = SND_DEVICE_OUT_VOICE_SPEAKER;
} else if (devices & AUDIO_DEVICE_OUT_EARPIECE) {
if (is_operator_tmus())
snd_device = SND_DEVICE_OUT_VOICE_HANDSET_TMUS;
else
snd_device = SND_DEVICE_OUT_HANDSET;
}
if (snd_device != SND_DEVICE_NONE) {
goto exit;
}
}
if (popcount(devices) == 2) {
if (devices == (AUDIO_DEVICE_OUT_WIRED_HEADPHONE |
AUDIO_DEVICE_OUT_SPEAKER)) {
snd_device = SND_DEVICE_OUT_SPEAKER_AND_HEADPHONES;
} else if (devices == (AUDIO_DEVICE_OUT_WIRED_HEADSET |
AUDIO_DEVICE_OUT_SPEAKER)) {
snd_device = SND_DEVICE_OUT_SPEAKER_AND_HEADPHONES;
} else if (devices == (AUDIO_DEVICE_OUT_AUX_DIGITAL |
AUDIO_DEVICE_OUT_SPEAKER)) {
snd_device = SND_DEVICE_OUT_SPEAKER_AND_HDMI;
} else {
ALOGE("%s: Invalid combo device(%#x)", __func__, devices);
goto exit;
}
if (snd_device != SND_DEVICE_NONE) {
goto exit;
}
}
if (popcount(devices) != 1) {
ALOGE("%s: Invalid output devices(%#x)", __func__, devices);
goto exit;
}
if (devices & AUDIO_DEVICE_OUT_WIRED_HEADPHONE ||
devices & AUDIO_DEVICE_OUT_WIRED_HEADSET) {
snd_device = SND_DEVICE_OUT_HEADPHONES;
} else if (devices & AUDIO_DEVICE_OUT_SPEAKER) {
snd_device = SND_DEVICE_OUT_SPEAKER;
} else if (devices & AUDIO_DEVICE_OUT_ALL_SCO) {
snd_device = SND_DEVICE_OUT_BT_SCO;
} else if (devices & AUDIO_DEVICE_OUT_AUX_DIGITAL) {
snd_device = SND_DEVICE_OUT_HDMI ;
} else if (devices & AUDIO_DEVICE_OUT_EARPIECE) {
snd_device = SND_DEVICE_OUT_HANDSET;
} else {
ALOGE("%s: Unknown device(s) %#x", __func__, devices);
}
exit:
ALOGV("%s: exit: snd_device(%s)", __func__, device_table[snd_device]);
return snd_device;
}
static snd_device_t get_input_snd_device(struct audio_device *adev,
audio_devices_t out_device)
{
audio_source_t source = (adev->active_input == NULL) ?
AUDIO_SOURCE_DEFAULT : adev->active_input->source;
audio_mode_t mode = adev->mode;
audio_devices_t in_device = ((adev->active_input == NULL) ?
AUDIO_DEVICE_NONE : adev->active_input->device)
& ~AUDIO_DEVICE_BIT_IN;
audio_channel_mask_t channel_mask = (adev->active_input == NULL) ?
AUDIO_CHANNEL_IN_MONO : adev->active_input->channel_mask;
snd_device_t snd_device = SND_DEVICE_NONE;
ALOGV("%s: enter: out_device(%#x) in_device(%#x)",
__func__, out_device, in_device);
if (mode == AUDIO_MODE_IN_CALL) {
if (out_device == AUDIO_DEVICE_NONE) {
ALOGE("%s: No output device set for voice call", __func__);
goto exit;
}
if (adev->tty_mode != TTY_MODE_OFF) {
if (out_device & AUDIO_DEVICE_OUT_WIRED_HEADPHONE ||
out_device & AUDIO_DEVICE_OUT_WIRED_HEADSET) {
switch (adev->tty_mode) {
case TTY_MODE_FULL:
snd_device = SND_DEVICE_IN_VOICE_TTY_FULL_HEADSET_MIC;
break;
case TTY_MODE_VCO:
snd_device = SND_DEVICE_IN_VOICE_TTY_VCO_HANDSET_MIC;
break;
case TTY_MODE_HCO:
snd_device = SND_DEVICE_IN_VOICE_TTY_HCO_HEADSET_MIC;
break;
default:
ALOGE("%s: Invalid TTY mode (%#x)", __func__, adev->tty_mode);
}
goto exit;
}
}
if (out_device & AUDIO_DEVICE_OUT_EARPIECE ||
out_device & AUDIO_DEVICE_OUT_WIRED_HEADPHONE) {
if (adev->mic_type_analog || adev->fluence_in_voice_call == false) {
snd_device = SND_DEVICE_IN_HANDSET_MIC;
} else {
if (adev->dualmic_config == DUALMIC_CONFIG_ENDFIRE) {
if (is_operator_tmus())
snd_device = SND_DEVICE_IN_VOICE_DMIC_EF_TMUS;
else
snd_device = SND_DEVICE_IN_VOICE_DMIC_EF;
} else if(adev->dualmic_config == DUALMIC_CONFIG_BROADSIDE)
snd_device = SND_DEVICE_IN_VOICE_DMIC_BS;
else
snd_device = SND_DEVICE_IN_HANDSET_MIC;
}
} else if (out_device & AUDIO_DEVICE_OUT_WIRED_HEADSET) {
snd_device = SND_DEVICE_IN_VOICE_HEADSET_MIC;
} else if (out_device & AUDIO_DEVICE_OUT_ALL_SCO) {
snd_device = SND_DEVICE_IN_BT_SCO_MIC ;
} else if (out_device & AUDIO_DEVICE_OUT_SPEAKER) {
if (adev->fluence_in_voice_call && adev->fluence_in_spkr_mode &&
adev->dualmic_config == DUALMIC_CONFIG_ENDFIRE) {
snd_device = SND_DEVICE_IN_VOICE_SPEAKER_DMIC_EF;
} else if (adev->fluence_in_voice_call && adev->fluence_in_spkr_mode &&
adev->dualmic_config == DUALMIC_CONFIG_BROADSIDE) {
snd_device = SND_DEVICE_IN_VOICE_SPEAKER_DMIC_BS;
} else {
snd_device = SND_DEVICE_IN_VOICE_SPEAKER_MIC;
}
}
} else if (source == AUDIO_SOURCE_CAMCORDER) {
if (in_device & AUDIO_DEVICE_IN_BUILTIN_MIC ||
in_device & AUDIO_DEVICE_IN_BACK_MIC) {
snd_device = SND_DEVICE_IN_CAMCORDER_MIC;
}
} else if (source == AUDIO_SOURCE_VOICE_RECOGNITION) {
if (in_device & AUDIO_DEVICE_IN_BUILTIN_MIC) {
if (adev->dualmic_config == DUALMIC_CONFIG_ENDFIRE) {
if (channel_mask == AUDIO_CHANNEL_IN_FRONT_BACK)
snd_device = SND_DEVICE_IN_VOICE_REC_DMIC_EF;
else if (adev->fluence_in_voice_rec)
snd_device = SND_DEVICE_IN_VOICE_REC_DMIC_EF_FLUENCE;
else
snd_device = SND_DEVICE_IN_VOICE_REC_MIC;
} else if (adev->dualmic_config == DUALMIC_CONFIG_BROADSIDE) {
if (channel_mask == AUDIO_CHANNEL_IN_FRONT_BACK)
snd_device = SND_DEVICE_IN_VOICE_REC_DMIC_BS;
else if (adev->fluence_in_voice_rec)
snd_device = SND_DEVICE_IN_VOICE_REC_DMIC_BS_FLUENCE;
else
snd_device = SND_DEVICE_IN_VOICE_REC_MIC;
} else
snd_device = SND_DEVICE_IN_VOICE_REC_MIC;
}
} else if (source == AUDIO_SOURCE_VOICE_COMMUNICATION) {
if (out_device & AUDIO_DEVICE_OUT_SPEAKER)
in_device = AUDIO_DEVICE_IN_BACK_MIC;
} else if (source == AUDIO_SOURCE_DEFAULT) {
goto exit;
}
if (snd_device != SND_DEVICE_NONE) {
goto exit;
}
if (in_device != AUDIO_DEVICE_NONE &&
!(in_device & AUDIO_DEVICE_IN_VOICE_CALL) &&
!(in_device & AUDIO_DEVICE_IN_COMMUNICATION)) {
if (in_device & AUDIO_DEVICE_IN_BUILTIN_MIC) {
snd_device = SND_DEVICE_IN_HANDSET_MIC;
} else if (in_device & AUDIO_DEVICE_IN_BACK_MIC) {
if (adev->mic_type_analog)
snd_device = SND_DEVICE_IN_HANDSET_MIC;
else
snd_device = SND_DEVICE_IN_SPEAKER_MIC;
} else if (in_device & AUDIO_DEVICE_IN_WIRED_HEADSET) {
snd_device = SND_DEVICE_IN_HEADSET_MIC;
} else if (in_device & AUDIO_DEVICE_IN_BLUETOOTH_SCO_HEADSET) {
snd_device = SND_DEVICE_IN_BT_SCO_MIC ;
} else if (in_device & AUDIO_DEVICE_IN_AUX_DIGITAL) {
snd_device = SND_DEVICE_IN_HDMI_MIC;
} else {
ALOGE("%s: Unknown input device(s) %#x", __func__, in_device);
ALOGW("%s: Using default handset-mic", __func__);
snd_device = SND_DEVICE_IN_HANDSET_MIC;
}
} else {
if (out_device & AUDIO_DEVICE_OUT_EARPIECE) {
snd_device = SND_DEVICE_IN_HANDSET_MIC;
} else if (out_device & AUDIO_DEVICE_OUT_WIRED_HEADSET) {
snd_device = SND_DEVICE_IN_HEADSET_MIC;
} else if (out_device & AUDIO_DEVICE_OUT_SPEAKER) {
snd_device = SND_DEVICE_IN_SPEAKER_MIC;
} else if (out_device & AUDIO_DEVICE_OUT_WIRED_HEADPHONE) {
snd_device = SND_DEVICE_IN_HANDSET_MIC;
} else if (out_device & AUDIO_DEVICE_OUT_BLUETOOTH_SCO_HEADSET) {
snd_device = SND_DEVICE_IN_BT_SCO_MIC;
} else if (out_device & AUDIO_DEVICE_OUT_AUX_DIGITAL) {
snd_device = SND_DEVICE_IN_HDMI_MIC;
} else {
ALOGE("%s: Unknown output device(s) %#x", __func__, out_device);
ALOGW("%s: Using default handset-mic", __func__);
snd_device = SND_DEVICE_IN_HANDSET_MIC;
}
}
exit:
ALOGV("%s: exit: in_snd_device(%s)", __func__, device_table[snd_device]);
return snd_device;
}
static struct audio_usecase *get_usecase_from_list(struct audio_device *adev,
audio_usecase_t uc_id)
{
struct audio_usecase *usecase;
struct listnode *node;
list_for_each(node, &adev->usecase_list) {
usecase = node_to_item(node, struct audio_usecase, list);
if (usecase->id == uc_id)
return usecase;
}
return NULL;
}
static int select_devices(struct audio_device *adev,
audio_usecase_t uc_id)
{
snd_device_t out_snd_device = SND_DEVICE_NONE;
snd_device_t in_snd_device = SND_DEVICE_NONE;
struct audio_usecase *usecase = NULL;
struct audio_usecase *vc_usecase = NULL;
struct listnode *node;
int acdb_rx_id, acdb_tx_id;
int status = 0;
usecase = get_usecase_from_list(adev, uc_id);
if (usecase == NULL) {
ALOGE("%s: Could not find the usecase(%d)", __func__, uc_id);
return -EINVAL;
}
if (usecase->type == VOICE_CALL) {
out_snd_device = get_output_snd_device(adev, usecase->stream.out->devices);
in_snd_device = get_input_snd_device(adev, usecase->stream.out->devices);
usecase->devices = usecase->stream.out->devices;
} else {
/*
* If the voice call is active, use the sound devices of voice call usecase
* so that it would not result any device switch. All the usecases will
* be switched to new device when select_devices() is called for voice call
* usecase. This is to avoid switching devices for voice call when
* check_usecases_codec_backend() is called below.
*/
if (adev->in_call) {
vc_usecase = get_usecase_from_list(adev, USECASE_VOICE_CALL);
if (vc_usecase->devices & AUDIO_DEVICE_OUT_ALL_CODEC_BACKEND) {
in_snd_device = vc_usecase->in_snd_device;
out_snd_device = vc_usecase->out_snd_device;
}
}
if (usecase->type == PCM_PLAYBACK) {
usecase->devices = usecase->stream.out->devices;
in_snd_device = SND_DEVICE_NONE;
if (out_snd_device == SND_DEVICE_NONE)
out_snd_device = get_output_snd_device(adev,
usecase->stream.out->devices);
} else if (usecase->type == PCM_CAPTURE) {
usecase->devices = usecase->stream.in->device;
out_snd_device = SND_DEVICE_NONE;
if (in_snd_device == SND_DEVICE_NONE)
in_snd_device = get_input_snd_device(adev, SND_DEVICE_NONE);
}
}
if (out_snd_device == usecase->out_snd_device &&
in_snd_device == usecase->in_snd_device) {
return 0;
}
ALOGD("%s: out_snd_device(%d: %s) in_snd_device(%d: %s)", __func__,
out_snd_device, device_table[out_snd_device],
in_snd_device, device_table[in_snd_device]);
/*
* Limitation: While in call, to do a device switch we need to disable
* and enable both RX and TX devices though one of them is same as current
* device.
*/
if (usecase->type == VOICE_CALL && adev->csd_client != NULL &&
usecase->in_snd_device != SND_DEVICE_NONE &&
usecase->out_snd_device != SND_DEVICE_NONE) {
/* This must be called before disabling the mixer controls on APQ side */
if (adev->csd_disable_device == NULL) {
ALOGE("%s: dlsym error for csd_client_disable_device", __func__);
} else {
status = adev->csd_disable_device();
if (status < 0) {
ALOGE("%s: csd_client_disable_device, failed, error %d",
__func__, status);
}
}
}
/* Disable current sound devices */
if (usecase->out_snd_device != SND_DEVICE_NONE) {
disable_audio_route(adev, usecase, true);
disable_snd_device(adev, usecase->out_snd_device, false);
}
if (usecase->in_snd_device != SND_DEVICE_NONE) {
disable_audio_route(adev, usecase, true);
disable_snd_device(adev, usecase->in_snd_device, false);
}
/* Enable new sound devices */
if (out_snd_device != SND_DEVICE_NONE) {
if (usecase->devices & AUDIO_DEVICE_OUT_ALL_CODEC_BACKEND)
check_usecases_codec_backend(adev, usecase, out_snd_device);
enable_snd_device(adev, out_snd_device, false);
}
if (in_snd_device != SND_DEVICE_NONE)
enable_snd_device(adev, in_snd_device, false);
audio_route_update_mixer(adev->audio_route);
usecase->in_snd_device = in_snd_device;
usecase->out_snd_device = out_snd_device;
enable_audio_route(adev, usecase, true);
if (usecase->type == VOICE_CALL && adev->csd_client) {
if (adev->csd_enable_device == NULL) {
ALOGE("%s: dlsym error for csd_client_enable_device",
__func__);
} else {
acdb_rx_id = get_acdb_device_id(out_snd_device);
acdb_tx_id = get_acdb_device_id(in_snd_device);
if (acdb_rx_id > 0 || acdb_tx_id > 0) {
status = adev->csd_enable_device(acdb_rx_id, acdb_tx_id,
adev->acdb_settings);
if (status < 0) {
ALOGE("%s: csd_client_enable_device, failed, error %d",
__func__, status);
}
} else {
ALOGE("%s: Incorrect ACDB IDs (rx: %d tx: %d)", __func__,
acdb_rx_id, acdb_tx_id);
}
}
}
return status;
}
static int stop_input_stream(struct stream_in *in)
{
int i, ret = 0;
struct audio_usecase *uc_info;
struct audio_device *adev = in->dev;
adev->active_input = NULL;
ALOGD("%s: enter: usecase(%d: %s)", __func__,
in->usecase, use_case_table[in->usecase]);
uc_info = get_usecase_from_list(adev, in->usecase);
if (uc_info == NULL) {
ALOGE("%s: Could not find the usecase (%d) in the list",
__func__, in->usecase);
return -EINVAL;
}
/* 1. Disable stream specific mixer controls */
disable_audio_route(adev, uc_info, true);
/* 2. Disable the tx device */
disable_snd_device(adev, uc_info->in_snd_device, true);
list_remove(&uc_info->list);
free(uc_info);
ALOGD("%s: exit: status(%d)", __func__, ret);
return ret;
}
int start_input_stream(struct stream_in *in)
{
/* 1. Enable output device and stream routing controls */
int ret = 0;
struct audio_usecase *uc_info;
struct audio_device *adev = in->dev;
ALOGD("%s: enter: usecase(%d)", __func__, in->usecase);
in->pcm_device_id = get_pcm_device_id(adev->audio_route,
in->usecase,
PCM_CAPTURE);
if (in->pcm_device_id < 0) {
ALOGE("%s: Could not find PCM device id for the usecase(%d)",
__func__, in->usecase);
ret = -EINVAL;
goto error_config;
}
adev->active_input = in;
uc_info = (struct audio_usecase *)calloc(1, sizeof(struct audio_usecase));
uc_info->id = in->usecase;
uc_info->type = PCM_CAPTURE;
uc_info->stream.in = in;
uc_info->devices = in->device;
uc_info->in_snd_device = SND_DEVICE_NONE;
uc_info->out_snd_device = SND_DEVICE_NONE;
list_add_tail(&adev->usecase_list, &uc_info->list);
select_devices(adev, in->usecase);
ALOGV("%s: Opening PCM device card_id(%d) device_id(%d), channels %d",
__func__, SOUND_CARD, in->pcm_device_id, in->config.channels);
in->pcm = pcm_open(SOUND_CARD, in->pcm_device_id,
PCM_IN, &in->config);
if (in->pcm && !pcm_is_ready(in->pcm)) {
ALOGE("%s: %s", __func__, pcm_get_error(in->pcm));
pcm_close(in->pcm);
in->pcm = NULL;
ret = -EIO;
goto error_open;
}
ALOGD("%s: exit", __func__);
return ret;
error_open:
stop_input_stream(in);
error_config:
adev->active_input = NULL;
ALOGD("%s: exit: status(%d)", __func__, ret);
return ret;
}
static int stop_output_stream(struct stream_out *out)
{
int i, ret = 0;
struct audio_usecase *uc_info;
struct audio_device *adev = out->dev;
ALOGD("%s: enter: usecase(%d: %s)", __func__,
out->usecase, use_case_table[out->usecase]);
uc_info = get_usecase_from_list(adev, out->usecase);
if (uc_info == NULL) {
ALOGE("%s: Could not find the usecase (%d) in the list",
__func__, out->usecase);
return -EINVAL;
}
/* 1. Get and set stream specific mixer controls */
disable_audio_route(adev, uc_info, true);
/* 2. Disable the rx device */
disable_snd_device(adev, uc_info->out_snd_device, true);
list_remove(&uc_info->list);
free(uc_info);
ALOGD("%s: exit: status(%d)", __func__, ret);
return ret;
}
int start_output_stream(struct stream_out *out)
{
int ret = 0;
struct audio_usecase *uc_info;
struct audio_device *adev = out->dev;
ALOGD("%s: enter: usecase(%d: %s) devices(%#x)",
__func__, out->usecase, use_case_table[out->usecase], out->devices);
out->pcm_device_id = get_pcm_device_id(adev->audio_route,
out->usecase,
PCM_PLAYBACK);
if (out->pcm_device_id < 0) {
ALOGE("%s: Invalid PCM device id(%d) for the usecase(%d)",
__func__, out->pcm_device_id, out->usecase);
ret = -EINVAL;
goto error_config;
}
uc_info = (struct audio_usecase *)calloc(1, sizeof(struct audio_usecase));
uc_info->id = out->usecase;
uc_info->type = PCM_PLAYBACK;
uc_info->stream.out = out;
uc_info->devices = out->devices;
uc_info->in_snd_device = SND_DEVICE_NONE;
uc_info->out_snd_device = SND_DEVICE_NONE;
list_add_tail(&adev->usecase_list, &uc_info->list);
select_devices(adev, out->usecase);
ALOGV("%s: Opening PCM device card_id(%d) device_id(%d)",
__func__, 0, out->pcm_device_id);
out->pcm = pcm_open(SOUND_CARD, out->pcm_device_id,
PCM_OUT, &out->config);
if (out->pcm && !pcm_is_ready(out->pcm)) {
ALOGE("%s: %s", __func__, pcm_get_error(out->pcm));
pcm_close(out->pcm);
out->pcm = NULL;
ret = -EIO;
goto error_pcm_open;
}
ALOGD("%s: exit", __func__);
return 0;
error_pcm_open:
stop_output_stream(out);
error_config:
return ret;
}
static int stop_voice_call(struct audio_device *adev)
{
int i, ret = 0;
struct audio_usecase *uc_info;
ALOGD("%s: enter", __func__);
adev->in_call = false;
if (adev->csd_client) {
if (adev->csd_stop_voice == NULL) {
ALOGE("dlsym error for csd_client_disable_device");
} else {
ret = adev->csd_stop_voice();
if (ret < 0) {
ALOGE("%s: csd_client error %d\n", __func__, ret);
}
}
}
/* 1. Close the PCM devices */
if (adev->voice_call_rx) {
pcm_close(adev->voice_call_rx);
adev->voice_call_rx = NULL;
}
if (adev->voice_call_tx) {
pcm_close(adev->voice_call_tx);
adev->voice_call_tx = NULL;
}
uc_info = get_usecase_from_list(adev, USECASE_VOICE_CALL);
if (uc_info == NULL) {
ALOGE("%s: Could not find the usecase (%d) in the list",
__func__, USECASE_VOICE_CALL);
return -EINVAL;
}
/* 2. Get and set stream specific mixer controls */
disable_audio_route(adev, uc_info, true);
/* 3. Disable the rx and tx devices */
disable_snd_device(adev, uc_info->out_snd_device, false);
disable_snd_device(adev, uc_info->in_snd_device, true);
list_remove(&uc_info->list);
free(uc_info);
ALOGD("%s: exit: status(%d)", __func__, ret);
return ret;
}
static int start_voice_call(struct audio_device *adev)
{
int i, ret = 0;
struct audio_usecase *uc_info;
int pcm_dev_rx_id, pcm_dev_tx_id;
ALOGD("%s: enter", __func__);
uc_info = (struct audio_usecase *)calloc(1, sizeof(struct audio_usecase));
uc_info->id = USECASE_VOICE_CALL;
uc_info->type = VOICE_CALL;
uc_info->stream.out = adev->primary_output;
uc_info->devices = adev->primary_output->devices;
uc_info->in_snd_device = SND_DEVICE_NONE;
uc_info->out_snd_device = SND_DEVICE_NONE;
list_add_tail(&adev->usecase_list, &uc_info->list);
select_devices(adev, USECASE_VOICE_CALL);
pcm_dev_rx_id = get_pcm_device_id(adev->audio_route, uc_info->id,
PCM_PLAYBACK);
pcm_dev_tx_id = get_pcm_device_id(adev->audio_route, uc_info->id,
PCM_CAPTURE);
if (pcm_dev_rx_id < 0 || pcm_dev_tx_id < 0) {
ALOGE("%s: Invalid PCM devices (rx: %d tx: %d) for the usecase(%d)",
__func__, pcm_dev_rx_id, pcm_dev_tx_id, uc_info->id);
ret = -EIO;
goto error_start_voice;
}
ALOGV("%s: Opening PCM playback device card_id(%d) device_id(%d)",
__func__, SOUND_CARD, pcm_dev_rx_id);
adev->voice_call_rx = pcm_open(SOUND_CARD,
pcm_dev_rx_id,
PCM_OUT, &pcm_config_voice_call);
if (adev->voice_call_rx && !pcm_is_ready(adev->voice_call_rx)) {
ALOGE("%s: %s", __func__, pcm_get_error(adev->voice_call_rx));
ret = -EIO;
goto error_start_voice;
}
ALOGV("%s: Opening PCM capture device card_id(%d) device_id(%d)",
__func__, SOUND_CARD, pcm_dev_tx_id);
adev->voice_call_tx = pcm_open(SOUND_CARD,
pcm_dev_tx_id,
PCM_IN, &pcm_config_voice_call);
if (adev->voice_call_tx && !pcm_is_ready(adev->voice_call_tx)) {
ALOGE("%s: %s", __func__, pcm_get_error(adev->voice_call_tx));
ret = -EIO;
goto error_start_voice;
}
pcm_start(adev->voice_call_rx);
pcm_start(adev->voice_call_tx);
if (adev->csd_client) {
if (adev->csd_start_voice == NULL) {
ALOGE("dlsym error for csd_client_start_voice");
goto error_start_voice;
} else {
ret = adev->csd_start_voice();
if (ret < 0) {
ALOGE("%s: csd_start_voice error %d\n", __func__, ret);
goto error_start_voice;
}
}
}
adev->in_call = true;
return 0;
error_start_voice:
stop_voice_call(adev);
ALOGD("%s: exit: status(%d)", __func__, ret);
return ret;
}
static int check_input_parameters(uint32_t sample_rate,
audio_format_t format,
int channel_count)
{
if (format != AUDIO_FORMAT_PCM_16_BIT) return -EINVAL;
if ((channel_count < 1) || (channel_count > 2)) return -EINVAL;
switch (sample_rate) {
case 8000:
case 11025:
case 12000:
case 16000:
case 22050:
case 24000:
case 32000:
case 44100:
case 48000:
break;
default:
return -EINVAL;
}
return 0;
}
static size_t get_input_buffer_size(uint32_t sample_rate,
audio_format_t format,
int channel_count)
{
size_t size = 0;
if (check_input_parameters(sample_rate, format, channel_count) != 0) return 0;
if (sample_rate == 8000 || sample_rate == 16000 || sample_rate == 32000) {
size = (sample_rate * 20) / 1000;
} else if (sample_rate == 11025 || sample_rate == 12000) {
size = 256;
} else if (sample_rate == 22050 || sample_rate == 24000) {
size = 512;
} else if (sample_rate == 44100 || sample_rate == 48000) {
size = 1024;
}
return size * sizeof(short) * channel_count;
}
static uint32_t out_get_sample_rate(const struct audio_stream *stream)
{
struct stream_out *out = (struct stream_out *)stream;
return out->config.rate;
}
static int out_set_sample_rate(struct audio_stream *stream, uint32_t rate)
{
return -ENOSYS;
}
static size_t out_get_buffer_size(const struct audio_stream *stream)
{
struct stream_out *out = (struct stream_out *)stream;
return out->config.period_size * audio_stream_frame_size(stream);
}
static uint32_t out_get_channels(const struct audio_stream *stream)
{
struct stream_out *out = (struct stream_out *)stream;
return out->channel_mask;
}
static audio_format_t out_get_format(const struct audio_stream *stream)
{
return AUDIO_FORMAT_PCM_16_BIT;
}
static int out_set_format(struct audio_stream *stream, audio_format_t format)
{
return -ENOSYS;
}
static int out_standby(struct audio_stream *stream)
{
struct stream_out *out = (struct stream_out *)stream;
struct audio_device *adev = out->dev;
ALOGD("%s: enter: usecase(%d: %s)", __func__,
out->usecase, use_case_table[out->usecase]);
pthread_mutex_lock(&out->lock);
if (!out->standby) {
out->standby = true;
if (out->pcm) {
pcm_close(out->pcm);
out->pcm = NULL;
}
pthread_mutex_lock(&adev->lock);
stop_output_stream(out);
pthread_mutex_unlock(&adev->lock);
}
pthread_mutex_unlock(&out->lock);
ALOGD("%s: exit", __func__);
return 0;
}
static int out_dump(const struct audio_stream *stream, int fd)
{
return 0;
}
static int out_set_parameters(struct audio_stream *stream, const char *kvpairs)
{
struct stream_out *out = (struct stream_out *)stream;
struct audio_device *adev = out->dev;
struct audio_usecase *usecase;
struct listnode *node;
struct str_parms *parms;
char value[32];
int ret, val = 0;
bool select_new_device = false;
ALOGD("%s: enter: usecase(%d: %s) kvpairs: %s",
__func__, out->usecase, use_case_table[out->usecase], kvpairs);
parms = str_parms_create_str(kvpairs);
ret = str_parms_get_str(parms, AUDIO_PARAMETER_STREAM_ROUTING, value, sizeof(value));
if (ret >= 0) {
val = atoi(value);
pthread_mutex_lock(&out->lock);
pthread_mutex_lock(&adev->lock);
/*
* When HDMI cable is unplugged the music playback is paused and
* the policy manager sends routing=0. But the audioflinger
* continues to write data until standby time (3sec).
* As the HDMI core is turned off, the write gets blocked.
* Avoid this by routing audio to speaker until standby.
*/
if (out->devices == AUDIO_DEVICE_OUT_AUX_DIGITAL &&
val == AUDIO_DEVICE_NONE) {
val = AUDIO_DEVICE_OUT_SPEAKER;
}
/*
* select_devices() call below switches all the usecases on the same
* backend to the new device. Refer to check_usecases_codec_backend() in
* the select_devices(). But how do we undo this?
*
* For example, music playback is active on headset (deep-buffer usecase)
* and if we go to ringtones and select a ringtone, low-latency usecase
* will be started on headset+speaker. As we can't enable headset+speaker
* and headset devices at the same time, select_devices() switches the music
* playback to headset+speaker while starting low-lateny usecase for ringtone.
* So when the ringtone playback is completed, how do we undo the same?
*
* We are relying on the out_set_parameters() call on deep-buffer output,
* once the ringtone playback is ended.
* NOTE: We should not check if the current devices are same as new devices.
* Because select_devices() must be called to switch back the music
* playback to headset.
*/
if (val != 0) {
out->devices = val;
if (!out->standby)
select_devices(adev, out->usecase);
if ((adev->mode == AUDIO_MODE_IN_CALL) && !adev->in_call &&
(out == adev->primary_output)) {
start_voice_call(adev);
} else if ((adev->mode == AUDIO_MODE_IN_CALL) && adev->in_call &&
(out == adev->primary_output)) {
select_devices(adev, USECASE_VOICE_CALL);
}
}
if ((adev->mode != AUDIO_MODE_IN_CALL) && adev->in_call &&
(out == adev->primary_output)) {
stop_voice_call(adev);
}
pthread_mutex_unlock(&adev->lock);
pthread_mutex_unlock(&out->lock);
}
str_parms_destroy(parms);
ALOGD("%s: exit: code(%d)", __func__, ret);
return ret;
}
static char* out_get_parameters(const struct audio_stream *stream, const char *keys)
{
struct stream_out *out = (struct stream_out *)stream;
struct str_parms *query = str_parms_create_str(keys);
char *str;
char value[256];
struct str_parms *reply = str_parms_create();
size_t i, j;
int ret;
bool first = true;
ALOGD("%s: enter: keys - %s", __func__, keys);
ret = str_parms_get_str(query, AUDIO_PARAMETER_STREAM_SUP_CHANNELS, value, sizeof(value));
if (ret >= 0) {
value[0] = '\0';
i = 0;
while (out->supported_channel_masks[i] != 0) {
for (j = 0; j < ARRAY_SIZE(out_channels_name_to_enum_table); j++) {
if (out_channels_name_to_enum_table[j].value == out->supported_channel_masks[i]) {
if (!first) {
strcat(value, "|");
}
strcat(value, out_channels_name_to_enum_table[j].name);
first = false;
break;
}
}
i++;
}
str_parms_add_str(reply, AUDIO_PARAMETER_STREAM_SUP_CHANNELS, value);
str = str_parms_to_str(reply);
} else {
str = strdup(keys);
}
str_parms_destroy(query);
str_parms_destroy(reply);
ALOGD("%s: exit: returns - %s", __func__, str);
return str;
}
static uint32_t out_get_latency(const struct audio_stream_out *stream)
{
struct stream_out *out = (struct stream_out *)stream;
return (out->config.period_count * out->config.period_size * 1000) / (out->config.rate);
}
static int out_set_volume(struct audio_stream_out *stream, float left,
float right)
{
return -ENOSYS;
}
static ssize_t out_write(struct audio_stream_out *stream, const void *buffer,
size_t bytes)
{
struct stream_out *out = (struct stream_out *)stream;
struct audio_device *adev = out->dev;
int i, ret = -1;
pthread_mutex_lock(&out->lock);
if (out->standby) {
pthread_mutex_lock(&adev->lock);
ret = start_output_stream(out);
pthread_mutex_unlock(&adev->lock);
if (ret != 0) {
goto exit;
}
out->standby = false;
}
if (out->pcm) {
//ALOGV("%s: writing buffer (%d bytes) to pcm device", __func__, bytes);
ret = pcm_write(out->pcm, (void *)buffer, bytes);
}
exit:
pthread_mutex_unlock(&out->lock);
if (ret != 0) {
out_standby(&out->stream.common);
usleep(bytes * 1000000 / audio_stream_frame_size(&out->stream.common) /
out_get_sample_rate(&out->stream.common));
}
return bytes;
}
static int out_get_render_position(const struct audio_stream_out *stream,
uint32_t *dsp_frames)
{
return -EINVAL;
}
static int out_add_audio_effect(const struct audio_stream *stream, effect_handle_t effect)
{
return 0;
}
static int out_remove_audio_effect(const struct audio_stream *stream, effect_handle_t effect)
{
return 0;
}
static int out_get_next_write_timestamp(const struct audio_stream_out *stream,
int64_t *timestamp)
{
return -EINVAL;
}
/** audio_stream_in implementation **/
static uint32_t in_get_sample_rate(const struct audio_stream *stream)
{
struct stream_in *in = (struct stream_in *)stream;
return in->config.rate;
}
static int in_set_sample_rate(struct audio_stream *stream, uint32_t rate)
{
return -ENOSYS;
}
static size_t in_get_buffer_size(const struct audio_stream *stream)
{
struct stream_in *in = (struct stream_in *)stream;
return in->config.period_size * audio_stream_frame_size(stream);
}
static uint32_t in_get_channels(const struct audio_stream *stream)
{
struct stream_in *in = (struct stream_in *)stream;
return in->channel_mask;
}
static audio_format_t in_get_format(const struct audio_stream *stream)
{
return AUDIO_FORMAT_PCM_16_BIT;
}
static int in_set_format(struct audio_stream *stream, audio_format_t format)
{
return -ENOSYS;
}
static int in_standby(struct audio_stream *stream)
{
struct stream_in *in = (struct stream_in *)stream;
struct audio_device *adev = in->dev;
int status = 0;
ALOGD("%s: enter", __func__);
pthread_mutex_lock(&in->lock);
if (!in->standby) {
in->standby = true;
if (in->pcm) {
pcm_close(in->pcm);
in->pcm = NULL;
}
pthread_mutex_lock(&adev->lock);
status = stop_input_stream(in);
pthread_mutex_unlock(&adev->lock);
}
pthread_mutex_unlock(&in->lock);
ALOGD("%s: exit: status(%d)", __func__, status);
return status;
}
static int in_dump(const struct audio_stream *stream, int fd)
{
return 0;
}
static int in_set_parameters(struct audio_stream *stream, const char *kvpairs)
{
struct stream_in *in = (struct stream_in *)stream;
struct audio_device *adev = in->dev;
struct str_parms *parms;
char *str;
char value[32];
int ret, val = 0;
ALOGD("%s: enter: kvpairs=%s", __func__, kvpairs);
parms = str_parms_create_str(kvpairs);
ret = str_parms_get_str(parms, AUDIO_PARAMETER_STREAM_INPUT_SOURCE, value, sizeof(value));
pthread_mutex_lock(&in->lock);
pthread_mutex_lock(&adev->lock);
if (ret >= 0) {
val = atoi(value);
/* no audio source uses val == 0 */
if ((in->source != val) && (val != 0)) {
in->source = val;
}
}
ret = str_parms_get_str(parms, AUDIO_PARAMETER_STREAM_ROUTING, value, sizeof(value));
if (ret >= 0) {
val = atoi(value);
if ((in->device != val) && (val != 0)) {
in->device = val;
/* If recording is in progress, change the tx device to new device */
if (!in->standby)
ret = select_devices(adev, in->usecase);
}
}
pthread_mutex_unlock(&adev->lock);
pthread_mutex_unlock(&in->lock);
str_parms_destroy(parms);
ALOGD("%s: exit: status(%d)", __func__, ret);
return ret;
}
static char* in_get_parameters(const struct audio_stream *stream,
const char *keys)
{
return strdup("");
}
static int in_set_gain(struct audio_stream_in *stream, float gain)
{
return 0;
}
static ssize_t in_read(struct audio_stream_in *stream, void *buffer,
size_t bytes)
{
struct stream_in *in = (struct stream_in *)stream;
struct audio_device *adev = in->dev;
int i, ret = -1;
pthread_mutex_lock(&in->lock);
if (in->standby) {
pthread_mutex_lock(&adev->lock);
ret = start_input_stream(in);
pthread_mutex_unlock(&adev->lock);
if (ret != 0) {
goto exit;
}
in->standby = 0;
}
if (in->pcm) {
ret = pcm_read(in->pcm, buffer, bytes);
}
/*
* Instead of writing zeroes here, we could trust the hardware
* to always provide zeroes when muted.
*/
if (ret == 0 && adev->mic_mute)
memset(buffer, 0, bytes);
exit:
pthread_mutex_unlock(&in->lock);
if (ret != 0) {
in_standby(&in->stream.common);
ALOGV("%s: read failed - sleeping for buffer duration", __func__);
usleep(bytes * 1000000 / audio_stream_frame_size(&in->stream.common) /
in_get_sample_rate(&in->stream.common));
}
return bytes;
}
static uint32_t in_get_input_frames_lost(struct audio_stream_in *stream)
{
return 0;
}
static int in_add_audio_effect(const struct audio_stream *stream, effect_handle_t effect)
{
return 0;
}
static int in_remove_audio_effect(const struct audio_stream *stream, effect_handle_t effect)
{
return 0;
}
static int adev_open_output_stream(struct audio_hw_device *dev,
audio_io_handle_t handle,
audio_devices_t devices,
audio_output_flags_t flags,
struct audio_config *config,
struct audio_stream_out **stream_out)
{
struct audio_device *adev = (struct audio_device *)dev;
struct stream_out *out;
int i, ret;
ALOGD("%s: enter: sample_rate(%d) channel_mask(%#x) devices(%#x) flags(%#x)",
__func__, config->sample_rate, config->channel_mask, devices, flags);
*stream_out = NULL;
out = (struct stream_out *)calloc(1, sizeof(struct stream_out));
if (devices == AUDIO_DEVICE_NONE)
devices = AUDIO_DEVICE_OUT_SPEAKER;
out->supported_channel_masks[0] = AUDIO_CHANNEL_OUT_STEREO;
out->channel_mask = AUDIO_CHANNEL_OUT_STEREO;
out->flags = flags;
out->devices = devices;
/* Init use case and pcm_config */
if (out->flags & AUDIO_OUTPUT_FLAG_DIRECT &&
out->devices & AUDIO_DEVICE_OUT_AUX_DIGITAL) {
out->usecase = USECASE_AUDIO_PLAYBACK_MULTI_CH;
out->config = pcm_config_hdmi_multi;
pthread_mutex_lock(&adev->lock);
read_hdmi_channel_masks(out);
pthread_mutex_unlock(&adev->lock);
if (config->sample_rate == 0) config->sample_rate = DEFAULT_OUTPUT_SAMPLING_RATE;
if (config->channel_mask == 0) config->channel_mask = AUDIO_CHANNEL_OUT_5POINT1;
out->channel_mask = config->channel_mask;
out->config.rate = config->sample_rate;
out->config.channels = popcount(out->channel_mask);
out->config.period_size = HDMI_MULTI_PERIOD_BYTES / (out->config.channels * 2);
set_hdmi_channels(adev->mixer, out->config.channels);
} else if (out->flags & AUDIO_OUTPUT_FLAG_DEEP_BUFFER) {
out->usecase = USECASE_AUDIO_PLAYBACK_DEEP_BUFFER;
out->config = pcm_config_deep_buffer;
} else {
out->usecase = USECASE_AUDIO_PLAYBACK_LOW_LATENCY;
out->config = pcm_config_low_latency;
}
if (flags & AUDIO_OUTPUT_FLAG_PRIMARY) {
if(adev->primary_output == NULL)
adev->primary_output = out;
else {
ALOGE("%s: Primary output is already opened", __func__);
return -EEXIST;
}
}
/* Check if this usecase is already existing */
pthread_mutex_lock(&adev->lock);
if (get_usecase_from_list(adev, out->usecase) != NULL) {
ALOGE("%s: Usecase (%d) is already present", __func__, out->usecase);
free(out);
*stream_out = NULL;
pthread_mutex_unlock(&adev->lock);
return -EEXIST;
}
pthread_mutex_unlock(&adev->lock);
out->stream.common.get_sample_rate = out_get_sample_rate;
out->stream.common.set_sample_rate = out_set_sample_rate;
out->stream.common.get_buffer_size = out_get_buffer_size;
out->stream.common.get_channels = out_get_channels;
out->stream.common.get_format = out_get_format;
out->stream.common.set_format = out_set_format;
out->stream.common.standby = out_standby;
out->stream.common.dump = out_dump;
out->stream.common.set_parameters = out_set_parameters;
out->stream.common.get_parameters = out_get_parameters;
out->stream.common.add_audio_effect = out_add_audio_effect;
out->stream.common.remove_audio_effect = out_remove_audio_effect;
out->stream.get_latency = out_get_latency;
out->stream.set_volume = out_set_volume;
out->stream.write = out_write;
out->stream.get_render_position = out_get_render_position;
out->stream.get_next_write_timestamp = out_get_next_write_timestamp;
out->dev = adev;
out->standby = 1;
config->format = out->stream.common.get_format(&out->stream.common);
config->channel_mask = out->stream.common.get_channels(&out->stream.common);
config->sample_rate = out->stream.common.get_sample_rate(&out->stream.common);
*stream_out = &out->stream;
ALOGD("%s: exit", __func__);
return 0;
}
static void adev_close_output_stream(struct audio_hw_device *dev,
struct audio_stream_out *stream)
{
ALOGD("%s: enter", __func__);
out_standby(&stream->common);
free(stream);
ALOGD("%s: exit", __func__);
}
static int adev_set_parameters(struct audio_hw_device *dev, const char *kvpairs)
{
struct audio_device *adev = (struct audio_device *)dev;
struct str_parms *parms;
char *str;
char value[32];
int ret;
ALOGD("%s: enter: %s", __func__, kvpairs);
parms = str_parms_create_str(kvpairs);
ret = str_parms_get_str(parms, AUDIO_PARAMETER_KEY_TTY_MODE, value, sizeof(value));
if (ret >= 0) {
int tty_mode;
if (strcmp(value, AUDIO_PARAMETER_VALUE_TTY_OFF) == 0)
tty_mode = TTY_MODE_OFF;
else if (strcmp(value, AUDIO_PARAMETER_VALUE_TTY_VCO) == 0)
tty_mode = TTY_MODE_VCO;
else if (strcmp(value, AUDIO_PARAMETER_VALUE_TTY_HCO) == 0)
tty_mode = TTY_MODE_HCO;
else if (strcmp(value, AUDIO_PARAMETER_VALUE_TTY_FULL) == 0)
tty_mode = TTY_MODE_FULL;
else
return -EINVAL;
pthread_mutex_lock(&adev->lock);
if (tty_mode != adev->tty_mode) {
adev->tty_mode = tty_mode;
adev->acdb_settings = (adev->acdb_settings & TTY_MODE_CLEAR) | tty_mode;
if (adev->in_call)
select_devices(adev, USECASE_VOICE_CALL);
}
pthread_mutex_unlock(&adev->lock);
}
ret = str_parms_get_str(parms, AUDIO_PARAMETER_KEY_BT_NREC, value, sizeof(value));
if (ret >= 0) {
/* When set to false, HAL should disable EC and NS
* But it is currently not supported.
*/
if (strcmp(value, AUDIO_PARAMETER_VALUE_ON) == 0)
adev->bluetooth_nrec = true;
else
adev->bluetooth_nrec = false;
}
ret = str_parms_get_str(parms, "screen_state", value, sizeof(value));
if (ret >= 0) {
if (strcmp(value, AUDIO_PARAMETER_VALUE_ON) == 0)
adev->screen_off = false;
else
adev->screen_off = true;
}
str_parms_destroy(parms);
ALOGD("%s: exit with code(%d)", __func__, ret);
return ret;
}
static char* adev_get_parameters(const struct audio_hw_device *dev,
const char *keys)
{
return strdup("");
}
static int adev_init_check(const struct audio_hw_device *dev)
{
return 0;
}
static int adev_set_voice_volume(struct audio_hw_device *dev, float volume)
{
struct audio_device *adev = (struct audio_device *)dev;
int vol, err = 0;
pthread_mutex_lock(&adev->lock);
adev->voice_volume = volume;
if (adev->mode == AUDIO_MODE_IN_CALL) {
if (volume < 0.0) {
volume = 0.0;
} else if (volume > 1.0) {
volume = 1.0;
}
vol = lrint(volume * 100.0);
// Voice volume levels from android are mapped to driver volume levels as follows.
// 0 -> 5, 20 -> 4, 40 ->3, 60 -> 2, 80 -> 1, 100 -> 0
// So adjust the volume to get the correct volume index in driver
vol = 100 - vol;
if (adev->csd_client) {
if (adev->csd_volume == NULL) {
ALOGE("%s: dlsym error for csd_client_volume", __func__);
} else {
err = adev->csd_volume(vol);
if (err < 0) {
ALOGE("%s: csd_client error %d", __func__, err);
}
}
} else {
ALOGE("%s: No CSD Client present", __func__);
}
}
pthread_mutex_unlock(&adev->lock);
return err;
}
static int adev_set_master_volume(struct audio_hw_device *dev, float volume)
{
return -ENOSYS;
}
static int adev_get_master_volume(struct audio_hw_device *dev,
float *volume)
{
return -ENOSYS;
}
static int adev_set_master_mute(struct audio_hw_device *dev, bool muted)
{
return -ENOSYS;
}
static int adev_get_master_mute(struct audio_hw_device *dev, bool *muted)
{
return -ENOSYS;
}
static int adev_set_mode(struct audio_hw_device *dev, audio_mode_t mode)
{
struct audio_device *adev = (struct audio_device *)dev;
pthread_mutex_lock(&adev->lock);
if (adev->mode != mode) {
adev->mode = mode;
}
pthread_mutex_unlock(&adev->lock);
return 0;
}
static int adev_set_mic_mute(struct audio_hw_device *dev, bool state)
{
struct audio_device *adev = (struct audio_device *)dev;
int err = 0;
pthread_mutex_lock(&adev->lock);
adev->mic_mute = state;
if (adev->mode == AUDIO_MODE_IN_CALL) {
if (adev->csd_client) {
if (adev->csd_mic_mute == NULL) {
ALOGE("%s: dlsym error for csd_mic_mute", __func__);
} else {
err = adev->csd_mic_mute(state);
if (err < 0) {
ALOGE("%s: csd_client error %d", __func__, err);
}
}
} else {
ALOGE("%s: No CSD Client present", __func__);
}
}
pthread_mutex_unlock(&adev->lock);
return err;
}
static int adev_get_mic_mute(const struct audio_hw_device *dev, bool *state)
{
struct audio_device *adev = (struct audio_device *)dev;
*state = adev->mic_mute;
return 0;
}
static size_t adev_get_input_buffer_size(const struct audio_hw_device *dev,
const struct audio_config *config)
{
int channel_count = popcount(config->channel_mask);
return get_input_buffer_size(config->sample_rate, config->format, channel_count);
}
static int adev_open_input_stream(struct audio_hw_device *dev,
audio_io_handle_t handle,
audio_devices_t devices,
struct audio_config *config,
struct audio_stream_in **stream_in)
{
struct audio_device *adev = (struct audio_device *)dev;
struct stream_in *in;
int ret, buffer_size, frame_size;
int channel_count = popcount(config->channel_mask);
ALOGD("%s: enter", __func__);
*stream_in = NULL;
if (check_input_parameters(config->sample_rate, config->format, channel_count) != 0)
return -EINVAL;
in = (struct stream_in *)calloc(1, sizeof(struct stream_in));
in->stream.common.get_sample_rate = in_get_sample_rate;
in->stream.common.set_sample_rate = in_set_sample_rate;
in->stream.common.get_buffer_size = in_get_buffer_size;
in->stream.common.get_channels = in_get_channels;
in->stream.common.get_format = in_get_format;
in->stream.common.set_format = in_set_format;
in->stream.common.standby = in_standby;
in->stream.common.dump = in_dump;
in->stream.common.set_parameters = in_set_parameters;
in->stream.common.get_parameters = in_get_parameters;
in->stream.common.add_audio_effect = in_add_audio_effect;
in->stream.common.remove_audio_effect = in_remove_audio_effect;
in->stream.set_gain = in_set_gain;
in->stream.read = in_read;
in->stream.get_input_frames_lost = in_get_input_frames_lost;
in->device = devices;
in->source = AUDIO_SOURCE_DEFAULT;
in->dev = adev;
in->standby = 1;
in->channel_mask = config->channel_mask;
/* Update config params with the requested sample rate and channels */
in->usecase = USECASE_AUDIO_RECORD;
in->config = pcm_config_audio_capture;
in->config.channels = channel_count;
in->config.rate = config->sample_rate;
frame_size = audio_stream_frame_size((struct audio_stream *)in);
buffer_size = get_input_buffer_size(config->sample_rate,
config->format,
channel_count);
in->config.period_size = buffer_size / frame_size;
*stream_in = &in->stream;
ALOGD("%s: exit", __func__);
return 0;
err_open:
free(in);
*stream_in = NULL;
return ret;
}
static void adev_close_input_stream(struct audio_hw_device *dev,
struct audio_stream_in *stream)
{
ALOGD("%s", __func__);
in_standby(&stream->common);
free(stream);
return;
}
static int adev_dump(const audio_hw_device_t *device, int fd)
{
return 0;
}
static int adev_close(hw_device_t *device)
{
struct audio_device *adev = (struct audio_device *)device;
audio_route_free(adev->audio_route);
free(device);
return 0;
}
static void init_platform_data(struct audio_device *adev)
{
char platform[PROPERTY_VALUE_MAX];
char baseband[PROPERTY_VALUE_MAX];
char value[PROPERTY_VALUE_MAX];
adev->dualmic_config = DUALMIC_CONFIG_NONE;
adev->fluence_in_spkr_mode = false;
adev->fluence_in_voice_call = false;
adev->fluence_in_voice_rec = false;
adev->mic_type_analog = false;
property_get("persist.audio.handset.mic.type",value,"");
if (!strcmp("analog", value))
adev->mic_type_analog = true;
property_get("persist.audio.dualmic.config",value,"");
if (!strcmp("broadside", value)) {
adev->dualmic_config = DUALMIC_CONFIG_BROADSIDE;
adev->acdb_settings |= DMIC_FLAG;
} else if (!strcmp("endfire", value)) {
adev->dualmic_config = DUALMIC_CONFIG_ENDFIRE;
adev->acdb_settings |= DMIC_FLAG;
}
if (adev->dualmic_config != DUALMIC_CONFIG_NONE) {
property_get("persist.audio.fluence.voicecall",value,"");
if (!strcmp("true", value)) {
adev->fluence_in_voice_call = true;
}
property_get("persist.audio.fluence.voicerec",value,"");
if (!strcmp("true", value)) {
adev->fluence_in_voice_rec = true;
}
property_get("persist.audio.fluence.speaker",value,"");
if (!strcmp("true", value)) {
adev->fluence_in_spkr_mode = true;
}
}
adev->acdb_handle = dlopen(LIB_ACDB_LOADER, RTLD_NOW);
if (adev->acdb_handle == NULL) {
ALOGE("%s: DLOPEN failed for %s", __func__, LIB_ACDB_LOADER);
} else {
ALOGV("%s: DLOPEN successful for %s", __func__, LIB_ACDB_LOADER);
adev->acdb_deallocate = (acdb_deallocate_t)dlsym(adev->acdb_handle,
"acdb_loader_deallocate_ACDB");
adev->acdb_send_audio_cal = (acdb_send_audio_cal_t)dlsym(adev->acdb_handle,
"acdb_loader_send_audio_cal");
adev->acdb_send_voice_cal = (acdb_send_voice_cal_t)dlsym(adev->acdb_handle,
"acdb_loader_send_voice_cal");
adev->acdb_init = (acdb_init_t)dlsym(adev->acdb_handle,
"acdb_loader_init_ACDB");
if (adev->acdb_init == NULL)
ALOGE("%s: dlsym error %s for acdb_loader_init_ACDB", __func__, dlerror());
else
adev->acdb_init();
}
/* If platform is Fusion3, load CSD Client specific symbols
* Voice call is handled by MDM and apps processor talks to
* MDM through CSD Client
*/
property_get("ro.board.platform", platform, "");
property_get("ro.baseband", baseband, "");
if (!strcmp("msm8960", platform) && !strcmp("mdm", baseband)) {
adev->csd_client = dlopen(LIB_CSD_CLIENT, RTLD_NOW);
if (adev->csd_client == NULL)
ALOGE("%s: DLOPEN failed for %s", __func__, LIB_CSD_CLIENT);
}
if (adev->csd_client) {
ALOGV("%s: DLOPEN successful for %s", __func__, LIB_CSD_CLIENT);
adev->csd_client_deinit = (csd_client_deinit_t)dlsym(adev->csd_client,
"csd_client_deinit");
adev->csd_disable_device = (csd_disable_device_t)dlsym(adev->csd_client,
"csd_client_disable_device");
adev->csd_enable_device = (csd_enable_device_t)dlsym(adev->csd_client,
"csd_client_enable_device");
adev->csd_start_voice = (csd_start_voice_t)dlsym(adev->csd_client,
"csd_client_start_voice");
adev->csd_stop_voice = (csd_stop_voice_t)dlsym(adev->csd_client,
"csd_client_stop_voice");
adev->csd_volume = (csd_volume_t)dlsym(adev->csd_client,
"csd_client_volume");
adev->csd_mic_mute = (csd_mic_mute_t)dlsym(adev->csd_client,
"csd_client_mic_mute");
adev->csd_client_init = (csd_client_init_t)dlsym(adev->csd_client,
"csd_client_init");
if (adev->csd_client_init == NULL) {
ALOGE("%s: dlsym error %s for csd_client_init", __func__, dlerror());
} else {
adev->csd_client_init();
}
}
}
static int adev_open(const hw_module_t *module, const char *name,
hw_device_t **device)
{
struct audio_device *adev;
int i, ret;
ALOGD("%s: enter", __func__);
if (strcmp(name, AUDIO_HARDWARE_INTERFACE) != 0) return -EINVAL;
adev = calloc(1, sizeof(struct audio_device));
adev->mixer = mixer_open(MIXER_CARD);
if (!adev->mixer) {
ALOGE("Unable to open the mixer, aborting.");
return -ENOSYS;
}
adev->audio_route = audio_route_init(MIXER_CARD, MIXER_XML_PATH);
if (!adev->audio_route) {
free(adev);
ALOGE("%s: Failed to init audio route controls, aborting.", __func__);
*device = NULL;
return -EINVAL;
}
adev->device.common.tag = HARDWARE_DEVICE_TAG;
adev->device.common.version = AUDIO_DEVICE_API_VERSION_2_0;
adev->device.common.module = (struct hw_module_t *)module;
adev->device.common.close = adev_close;
adev->device.init_check = adev_init_check;
adev->device.set_voice_volume = adev_set_voice_volume;
adev->device.set_master_volume = adev_set_master_volume;
adev->device.get_master_volume = adev_get_master_volume;
adev->device.set_master_mute = adev_set_master_mute;
adev->device.get_master_mute = adev_get_master_mute;
adev->device.set_mode = adev_set_mode;
adev->device.set_mic_mute = adev_set_mic_mute;
adev->device.get_mic_mute = adev_get_mic_mute;
adev->device.set_parameters = adev_set_parameters;
adev->device.get_parameters = adev_get_parameters;
adev->device.get_input_buffer_size = adev_get_input_buffer_size;
adev->device.open_output_stream = adev_open_output_stream;
adev->device.close_output_stream = adev_close_output_stream;
adev->device.open_input_stream = adev_open_input_stream;
adev->device.close_input_stream = adev_close_input_stream;
adev->device.dump = adev_dump;
/* Set the default route before the PCM stream is opened */
pthread_mutex_lock(&adev->lock);
adev->mode = AUDIO_MODE_NORMAL;
adev->active_input = NULL;
adev->primary_output = NULL;
adev->out_device = AUDIO_DEVICE_NONE;
adev->voice_call_rx = NULL;
adev->voice_call_tx = NULL;
adev->voice_volume = 1.0f;
adev->tty_mode = TTY_MODE_OFF;
adev->bluetooth_nrec = true;
adev->in_call = false;
adev->acdb_settings = TTY_MODE_OFF;
for (i = 0; i < SND_DEVICE_MAX; i++) {
adev->snd_dev_ref_cnt[i] = 0;
}
list_init(&adev->usecase_list);
pthread_mutex_unlock(&adev->lock);
/* Loads platform specific libraries dynamically */
init_platform_data(adev);
*device = &adev->device.common;
ALOGD("%s: exit", __func__);
return 0;
}
static struct hw_module_methods_t hal_module_methods = {
.open = adev_open,
};
struct audio_module HAL_MODULE_INFO_SYM = {
.common = {
.tag = HARDWARE_MODULE_TAG,
.module_api_version = AUDIO_MODULE_API_VERSION_0_1,
.hal_api_version = HARDWARE_HAL_API_VERSION,
.id = AUDIO_HARDWARE_MODULE_ID,
.name = "QCOM Audio HAL",
.author = "Code Aurora Forum",
.methods = &hal_module_methods,
},
};