/*
** Copyright 2008, 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.
*/
#include <math.h>
//#define LOG_NDEBUG 0
#define LOG_TAG "AudioHardwareQSD"
#include <utils/Log.h>
#include <utils/String8.h>
#include <hardware_legacy/power.h>
#include <stdio.h>
#include <unistd.h>
#include <sys/ioctl.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <dlfcn.h>
#include <fcntl.h>
#include <cutils/properties.h> // for property_get for the voice recognition mode switch
// hardware specific functions
#include "AudioHardware.h"
#include <media/AudioRecord.h>
#include <media/mediarecorder.h>
extern "C" {
#include "msm_audio.h"
#include <linux/a1026.h>
#include <linux/tpa2018d1.h>
}
#define LOG_SND_RPC 0 // Set to 1 to log sound RPC's
#define TX_PATH (1)
static const uint32_t SND_DEVICE_CURRENT = 256;
static const uint32_t SND_DEVICE_HANDSET = 0;
static const uint32_t SND_DEVICE_SPEAKER = 1;
static const uint32_t SND_DEVICE_BT = 3;
static const uint32_t SND_DEVICE_CARKIT = 4;
static const uint32_t SND_DEVICE_BT_EC_OFF = 45;
static const uint32_t SND_DEVICE_HEADSET = 2;
static const uint32_t SND_DEVICE_HEADSET_AND_SPEAKER = 10;
static const uint32_t SND_DEVICE_FM_HEADSET = 9;
static const uint32_t SND_DEVICE_FM_SPEAKER = 11;
static const uint32_t SND_DEVICE_NO_MIC_HEADSET = 8;
static const uint32_t SND_DEVICE_TTY_FULL = 5;
static const uint32_t SND_DEVICE_TTY_VCO = 6;
static const uint32_t SND_DEVICE_TTY_HCO = 7;
static const uint32_t SND_DEVICE_HANDSET_BACK_MIC = 20;
static const uint32_t SND_DEVICE_SPEAKER_BACK_MIC = 21;
static const uint32_t SND_DEVICE_NO_MIC_HEADSET_BACK_MIC = 28;
static const uint32_t SND_DEVICE_HEADSET_AND_SPEAKER_BACK_MIC = 30;
namespace android {
static int support_a1026 = 1;
static bool support_tpa2018d1 = true;
static int fd_a1026 = -1;
static int old_pathid = -1;
static int new_pathid = -1;
static int curr_out_device = -1;
static int curr_mic_device = -1;
static int voice_started = 0;
static int fd_fm_device = -1;
static int stream_volume = -300;
// use VR mode on inputs: 1 == VR mode enabled when selected, 0 = VR mode disabled when selected
static int vr_mode_enabled;
static bool vr_mode_change = false;
static int vr_uses_ns = 0;
static int alt_enable = 0;
static int hac_enable = 0;
// enable or disable 2-mic noise suppression in call on receiver mode
static int enable1026 = 1;
//FIXME add new settings in A1026 driver for an incall no ns mode, based on the current vr no ns
#define A1026_PATH_INCALL_NO_NS_RECEIVER A1026_PATH_VR_NO_NS_RECEIVER
int errCount = 0;
static void * acoustic;
const uint32_t AudioHardware::inputSamplingRates[] = {
8000, 11025, 12000, 16000, 22050, 24000, 32000, 44100, 48000
};
// ID string for audio wakelock
static const char kOutputWakelockStr[] = "AudioHardwareQSDOut";
static const char kInputWakelockStr[] = "AudioHardwareQSDIn";
// ----------------------------------------------------------------------------
AudioHardware::AudioHardware() :
mA1026Init(false), mInit(false), mMicMute(true),
mBluetoothNrec(true),
mHACSetting(false),
mBluetoothIdTx(0), mBluetoothIdRx(0),
mOutput(0),
mNoiseSuppressionState(A1026_NS_STATE_AUTO),
mVoiceVolume(VOICE_VOLUME_MAX), mTTYMode(TTY_MODE_OFF)
{
int (*snd_get_num)();
int (*snd_get_bt_endpoint)(msm_bt_endpoint *);
int (*set_acoustic_parameters)();
int (*set_tpa2018d1_parameters)();
struct msm_bt_endpoint *ept;
doA1026_init();
acoustic =:: dlopen("/system/lib/libhtc_acoustic.so", RTLD_NOW);
if (acoustic == NULL ) {
ALOGD("Could not open libhtc_acoustic.so");
/* this is not really an error on non-htc devices... */
mNumBTEndpoints = 0;
mInit = true;
return;
}
set_acoustic_parameters = (int (*)(void))::dlsym(acoustic, "set_acoustic_parameters");
if ((*set_acoustic_parameters) == 0 ) {
ALOGE("Could not open set_acoustic_parameters()");
return;
}
set_tpa2018d1_parameters = (int (*)(void))::dlsym(acoustic, "set_tpa2018d1_parameters");
if ((*set_tpa2018d1_parameters) == 0) {
ALOGD("set_tpa2018d1_parameters() not present");
support_tpa2018d1 = false;
}
int rc = set_acoustic_parameters();
if (rc < 0) {
ALOGD("Could not set acoustic parameters to share memory: %d", rc);
}
if (support_tpa2018d1) {
rc = set_tpa2018d1_parameters();
if (rc < 0) {
support_tpa2018d1 = false;
ALOGD("speaker amplifier tpa2018 is not supported\n");
}
}
snd_get_num = (int (*)(void))::dlsym(acoustic, "snd_get_num");
if ((*snd_get_num) == 0 ) {
ALOGD("Could not open snd_get_num()");
}
mNumBTEndpoints = snd_get_num();
ALOGV("mNumBTEndpoints = %d", mNumBTEndpoints);
mBTEndpoints = new msm_bt_endpoint[mNumBTEndpoints];
mInit = true;
ALOGV("constructed %d SND endpoints)", mNumBTEndpoints);
ept = mBTEndpoints;
snd_get_bt_endpoint = (int (*)(msm_bt_endpoint *))::dlsym(acoustic, "snd_get_bt_endpoint");
if ((*snd_get_bt_endpoint) == 0 ) {
ALOGE("Could not open snd_get_bt_endpoint()");
return;
}
snd_get_bt_endpoint(mBTEndpoints);
for (int i = 0; i < mNumBTEndpoints; i++) {
ALOGV("BT name %s (tx,rx)=(%d,%d)", mBTEndpoints[i].name, mBTEndpoints[i].tx, mBTEndpoints[i].rx);
}
// reset voice mode in case media_server crashed and restarted while in call
int fd = open("/dev/msm_audio_ctl", O_RDWR);
if (fd >= 0) {
ioctl(fd, AUDIO_STOP_VOICE, NULL);
close(fd);
}
vr_mode_change = false;
vr_mode_enabled = 0;
enable1026 = 1;
char value[PROPERTY_VALUE_MAX];
// Check the system property to enable or not the special recording modes
property_get("media.a1026.enableA1026", value, "1");
enable1026 = atoi(value);
ALOGV("Enable mode selection for A1026 is %d", enable1026);
// Check the system property for which VR mode to use
property_get("media.a1026.nsForVoiceRec", value, "0");
vr_uses_ns = atoi(value);
ALOGV("Using Noise Suppression for Voice Rec is %d", vr_uses_ns);
// Check the system property for enable or not the ALT function
property_get("htc.audio.alt.enable", value, "0");
alt_enable = atoi(value);
ALOGV("Enable ALT function: %d", alt_enable);
// Check the system property for enable or not the HAC function
property_get("htc.audio.hac.enable", value, "0");
hac_enable = atoi(value);
ALOGV("Enable HAC function: %d", hac_enable);
mInit = true;
}
AudioHardware::~AudioHardware()
{
for (size_t index = 0; index < mInputs.size(); index++) {
closeInputStream((AudioStreamIn*)mInputs[index]);
}
mInputs.clear();
closeOutputStream((AudioStreamOut*)mOutput);
mInit = false;
}
status_t AudioHardware::initCheck()
{
return mInit ? NO_ERROR : NO_INIT;
}
AudioStreamOut* AudioHardware::openOutputStream(
uint32_t devices, int *format, uint32_t *channels, uint32_t *sampleRate, status_t *status)
{
{ // scope for the lock
Mutex::Autolock lock(mLock);
// only one output stream allowed
if (mOutput) {
if (status) {
*status = INVALID_OPERATION;
}
return 0;
}
// create new output stream
AudioStreamOutMSM72xx* out = new AudioStreamOutMSM72xx();
status_t lStatus = out->set(this, devices, format, channels, sampleRate);
if (status) {
*status = lStatus;
}
if (lStatus == NO_ERROR) {
mOutput = out;
} else {
delete out;
}
}
return mOutput;
}
void AudioHardware::closeOutputStream(AudioStreamOut* out) {
Mutex::Autolock lock(mLock);
if (mOutput == 0 || mOutput != out) {
ALOGW("Attempt to close invalid output stream");
}
else {
delete mOutput;
mOutput = 0;
}
}
AudioStreamIn* AudioHardware::openInputStream(
uint32_t devices, int *format, uint32_t *channels, uint32_t *sampleRate, status_t *status,
AudioSystem::audio_in_acoustics acoustic_flags)
{
// check for valid input source
if (!AudioSystem::isInputDevice((AudioSystem::audio_devices)devices)) {
return 0;
}
mLock.lock();
AudioStreamInMSM72xx* in = new AudioStreamInMSM72xx();
status_t lStatus = in->set(this, devices, format, channels, sampleRate, acoustic_flags);
if (status) {
*status = lStatus;
}
if (lStatus != NO_ERROR) {
mLock.unlock();
delete in;
return 0;
}
mInputs.add(in);
mLock.unlock();
return in;
}
void AudioHardware::closeInputStream(AudioStreamIn* in) {
Mutex::Autolock lock(mLock);
ssize_t index = mInputs.indexOf((AudioStreamInMSM72xx *)in);
if (index < 0) {
ALOGW("Attempt to close invalid input stream");
} else {
mLock.unlock();
delete mInputs[index];
mLock.lock();
mInputs.removeAt(index);
}
}
status_t AudioHardware::setMode(int mode)
{
// VR mode is never used in a call and must be cleared when entering the IN_CALL mode
if (mode == AudioSystem::MODE_IN_CALL) {
vr_mode_enabled = 0;
}
if (support_tpa2018d1)
do_tpa2018_control(mode);
int prevMode = mMode;
status_t status = AudioHardwareBase::setMode(mode);
if (status == NO_ERROR) {
// make sure that doAudioRouteOrMute() is called by doRouting()
// when entering or exiting in call mode even if the new device
// selected is the same as current one.
if (((prevMode != AudioSystem::MODE_IN_CALL) && (mMode == AudioSystem::MODE_IN_CALL)) ||
((prevMode == AudioSystem::MODE_IN_CALL) && (mMode != AudioSystem::MODE_IN_CALL))) {
clearCurDevice();
}
}
return status;
}
bool AudioHardware::checkOutputStandby()
{
if (mOutput)
if (!mOutput->checkStandby())
return false;
return true;
}
static status_t set_mic_mute(bool _mute)
{
uint32_t mute = _mute;
int fd = -1;
fd = open("/dev/msm_audio_ctl", O_RDWR);
if (fd < 0) {
ALOGE("Cannot open msm_audio_ctl device\n");
return -1;
}
ALOGD("Setting mic mute to %d\n", mute);
if (ioctl(fd, AUDIO_SET_MUTE, &mute)) {
ALOGE("Cannot set mic mute on current device\n");
close(fd);
return -1;
}
close(fd);
return NO_ERROR;
}
status_t AudioHardware::setMicMute(bool state)
{
Mutex::Autolock lock(mLock);
return setMicMute_nosync(state);
}
// always call with mutex held
status_t AudioHardware::setMicMute_nosync(bool state)
{
if (mMicMute != state) {
mMicMute = state;
return set_mic_mute(mMicMute); //always set current TX device
}
return NO_ERROR;
}
status_t AudioHardware::getMicMute(bool* state)
{
*state = mMicMute;
return NO_ERROR;
}
status_t AudioHardware::setParameters(const String8& keyValuePairs)
{
AudioParameter param = AudioParameter(keyValuePairs);
String8 value;
String8 key;
const char BT_NREC_KEY[] = "bt_headset_nrec";
const char BT_NAME_KEY[] = "bt_headset_name";
const char HAC_KEY[] = "HACSetting";
const char BT_NREC_VALUE_ON[] = "on";
const char HAC_VALUE_ON[] = "ON";
ALOGV("setParameters() %s", keyValuePairs.string());
if (keyValuePairs.length() == 0) return BAD_VALUE;
if(hac_enable) {
key = String8(HAC_KEY);
if (param.get(key, value) == NO_ERROR) {
if (value == HAC_VALUE_ON) {
mHACSetting = true;
ALOGD("Enable HAC");
} else {
mHACSetting = false;
ALOGD("Disable HAC");
}
}
}
key = String8(BT_NREC_KEY);
if (param.get(key, value) == NO_ERROR) {
if (value == BT_NREC_VALUE_ON) {
mBluetoothNrec = true;
} else {
mBluetoothNrec = false;
ALOGD("Turning noise reduction and echo cancellation off for BT "
"headset");
}
}
key = String8(BT_NAME_KEY);
if (param.get(key, value) == NO_ERROR) {
mBluetoothIdTx = 0;
mBluetoothIdRx = 0;
for (int i = 0; i < mNumBTEndpoints; i++) {
if (!strcasecmp(value.string(), mBTEndpoints[i].name)) {
mBluetoothIdTx = mBTEndpoints[i].tx;
mBluetoothIdRx = mBTEndpoints[i].rx;
ALOGD("Using custom acoustic parameters for %s", value.string());
break;
}
}
if (mBluetoothIdTx == 0) {
ALOGD("Using default acoustic parameters "
"(%s not in acoustic database)", value.string());
}
doRouting();
}
key = String8("noise_suppression");
if (param.get(key, value) == NO_ERROR) {
if (support_a1026 == 1) {
int noiseSuppressionState;
if (value == "off") {
noiseSuppressionState = A1026_NS_STATE_OFF;
} else if (value == "auto") {
noiseSuppressionState = A1026_NS_STATE_AUTO;
} else if (value == "far_talk") {
noiseSuppressionState = A1026_NS_STATE_FT;
} else if (value == "close_talk") {
noiseSuppressionState = A1026_NS_STATE_CT;
} else {
return BAD_VALUE;
}
if (noiseSuppressionState != mNoiseSuppressionState) {
if (!mA1026Init) {
ALOGW("Audience A1026 not initialized.\n");
return INVALID_OPERATION;
}
mA1026Lock.lock();
if (fd_a1026 < 0) {
fd_a1026 = open("/dev/audience_a1026", O_RDWR);
if (fd_a1026 < 0) {
ALOGE("Cannot open audience_a1026 device (%d)\n", fd_a1026);
mA1026Lock.unlock();
return -1;
}
}
ALOGV("Setting noise suppression %s", value.string());
int rc = ioctl(fd_a1026, A1026_SET_NS_STATE, &noiseSuppressionState);
if (!rc) {
mNoiseSuppressionState = noiseSuppressionState;
} else {
ALOGE("Failed to set noise suppression %s", value.string());
}
close(fd_a1026);
fd_a1026 = -1;
mA1026Lock.unlock();
}
} else {
return INVALID_OPERATION;
}
}
key = String8("tty_mode");
if (param.get(key, value) == NO_ERROR) {
int ttyMode;
if (value == "tty_off") {
ttyMode = TTY_MODE_OFF;
} else if (value == "tty_full") {
ttyMode = TTY_MODE_FULL;
} else if (value == "tty_vco") {
ttyMode = TTY_MODE_VCO;
} else if (value == "tty_hco") {
ttyMode = TTY_MODE_HCO;
} else {
return BAD_VALUE;
}
if (ttyMode != mTTYMode) {
ALOGV("new tty mode %d", ttyMode);
mTTYMode = ttyMode;
doRouting();
}
}
return NO_ERROR;
}
String8 AudioHardware::getParameters(const String8& keys)
{
AudioParameter request = AudioParameter(keys);
AudioParameter reply = AudioParameter();
String8 value;
String8 key;
ALOGV("getParameters() %s", keys.string());
key = "noise_suppression";
if (request.get(key, value) == NO_ERROR) {
switch(mNoiseSuppressionState) {
case A1026_NS_STATE_OFF:
value = "off";
break;
case A1026_NS_STATE_AUTO:
value = "auto";
break;
case A1026_NS_STATE_FT:
value = "far_talk";
break;
case A1026_NS_STATE_CT:
value = "close_talk";
break;
}
reply.add(key, value);
}
return reply.toString();
}
static unsigned calculate_audpre_table_index(unsigned index)
{
switch (index) {
case 48000: return SAMP_RATE_INDX_48000;
case 44100: return SAMP_RATE_INDX_44100;
case 32000: return SAMP_RATE_INDX_32000;
case 24000: return SAMP_RATE_INDX_24000;
case 22050: return SAMP_RATE_INDX_22050;
case 16000: return SAMP_RATE_INDX_16000;
case 12000: return SAMP_RATE_INDX_12000;
case 11025: return SAMP_RATE_INDX_11025;
case 8000: return SAMP_RATE_INDX_8000;
default: return -1;
}
}
size_t AudioHardware::getBufferSize(uint32_t sampleRate, int channelCount)
{
size_t bufSize;
if (sampleRate < 11025) {
bufSize = 256;
} else if (sampleRate < 22050) {
bufSize = 512;
} else if (sampleRate < 32000) {
bufSize = 768;
} else if (sampleRate < 44100) {
bufSize = 1024;
} else {
bufSize = 1536;
}
return bufSize*channelCount;
}
size_t AudioHardware::getInputBufferSize(uint32_t sampleRate, int format, int channelCount)
{
if (format != AudioSystem::PCM_16_BIT) {
ALOGW("getInputBufferSize bad format: %d", format);
return 0;
}
if (channelCount < 1 || channelCount > 2) {
ALOGW("getInputBufferSize bad channel count: %d", channelCount);
return 0;
}
if (sampleRate < 8000 || sampleRate > 48000) {
ALOGW("getInputBufferSize bad sample rate: %d", sampleRate);
return 0;
}
return getBufferSize(sampleRate, channelCount);
}
static status_t set_volume_rpc(uint32_t volume)
{
int fd = -1;
fd = open("/dev/msm_audio_ctl", O_RDWR);
if (fd < 0) {
ALOGE("Cannot open msm_audio_ctl device\n");
return -1;
}
volume *= 20; //percentage
ALOGD("Setting in-call volume to %d\n", volume);
if (ioctl(fd, AUDIO_SET_VOLUME, &volume)) {
ALOGW("Cannot set volume on current device\n");
}
close(fd);
return NO_ERROR;
}
status_t AudioHardware::setVoiceVolume(float v)
{
if (v < 0.0) {
ALOGW("setVoiceVolume(%f) under 0.0, assuming 0.0", v);
v = 0.0;
} else if (v > 1.0) {
ALOGW("setVoiceVolume(%f) over 1.0, assuming 1.0", v);
v = 1.0;
}
int vol = lrint(v * VOICE_VOLUME_MAX);
Mutex::Autolock lock(mLock);
if (mHACSetting && hac_enable && mCurSndDevice == (int) SND_DEVICE_HANDSET) {
ALOGD("HAC enable: Setting in-call volume to maximum.\n");
set_volume_rpc(VOICE_VOLUME_MAX);
} else {
ALOGI("voice volume %d (range is 0 to %d)", vol, VOICE_VOLUME_MAX);
set_volume_rpc(vol); //always set current device
}
mVoiceVolume = vol;
return NO_ERROR;
}
status_t AudioHardware::setMasterVolume(float v)
{
ALOGI("Set master volume to %f", v);
// We return an error code here to let the audioflinger do in-software
// volume on top of the maximum volume that we set through the SND API.
// return error - software mixer will handle it
return -1;
}
static status_t do_route_audio_dev_ctrl(uint32_t device, bool inCall, uint32_t rx_acdb_id, uint32_t tx_acdb_id)
{
uint32_t out_device = 0, mic_device = 0;
uint32_t path[2];
int fd = 0;
if (device == SND_DEVICE_CURRENT)
goto Incall;
// hack -- kernel needs to put these in include file
ALOGD("Switching audio device to ");
if (device == SND_DEVICE_HANDSET) {
out_device = HANDSET_SPKR;
mic_device = HANDSET_MIC;
ALOGD("Handset");
} else if ((device == SND_DEVICE_BT) || (device == SND_DEVICE_BT_EC_OFF)) {
out_device = BT_SCO_SPKR;
mic_device = BT_SCO_MIC;
ALOGD("BT Headset");
} else if (device == SND_DEVICE_SPEAKER ||
device == SND_DEVICE_SPEAKER_BACK_MIC) {
out_device = SPKR_PHONE_MONO;
mic_device = SPKR_PHONE_MIC;
ALOGD("Speakerphone");
} else if (device == SND_DEVICE_HEADSET) {
out_device = HEADSET_SPKR_STEREO;
mic_device = HEADSET_MIC;
ALOGD("Stereo Headset");
} else if (device == SND_DEVICE_HEADSET_AND_SPEAKER) {
out_device = SPKR_PHONE_HEADSET_STEREO;
mic_device = HEADSET_MIC;
ALOGD("Stereo Headset + Speaker");
} else if (device == SND_DEVICE_HEADSET_AND_SPEAKER_BACK_MIC) {
out_device = SPKR_PHONE_HEADSET_STEREO;
mic_device = SPKR_PHONE_MIC;
ALOGD("Stereo Headset + Speaker and back mic");
} else if (device == SND_DEVICE_NO_MIC_HEADSET) {
out_device = HEADSET_SPKR_STEREO;
mic_device = HANDSET_MIC;
ALOGD("No microphone Wired Headset");
} else if (device == SND_DEVICE_NO_MIC_HEADSET_BACK_MIC) {
out_device = HEADSET_SPKR_STEREO;
mic_device = SPKR_PHONE_MIC;
ALOGD("No microphone Wired Headset and back mic");
} else if (device == SND_DEVICE_HANDSET_BACK_MIC) {
out_device = HANDSET_SPKR;
mic_device = SPKR_PHONE_MIC;
ALOGD("Handset and back mic");
} else if (device == SND_DEVICE_FM_HEADSET) {
out_device = FM_HEADSET;
mic_device = HEADSET_MIC;
ALOGD("Stereo FM headset");
} else if (device == SND_DEVICE_FM_SPEAKER) {
out_device = FM_SPKR;
mic_device = HEADSET_MIC;
ALOGD("Stereo FM speaker");
} else if (device == SND_DEVICE_CARKIT) {
out_device = BT_SCO_SPKR;
mic_device = BT_SCO_MIC;
ALOGD("Carkit");
} else if (device == SND_DEVICE_TTY_FULL) {
out_device = TTY_HEADSET_SPKR;
mic_device = TTY_HEADSET_MIC;
ALOGD("TTY FULL headset");
} else if (device == SND_DEVICE_TTY_VCO) {
out_device = TTY_HEADSET_SPKR;
mic_device = SPKR_PHONE_MIC;
ALOGD("TTY VCO headset");
} else if (device == SND_DEVICE_TTY_HCO) {
out_device = SPKR_PHONE_MONO;
mic_device = TTY_HEADSET_MIC;
ALOGD("TTY HCO headset");
} else {
ALOGE("unknown device %d", device);
return -1;
}
#if 0 //Add for FM support
if (out_device == FM_HEADSET ||
out_device == FM_SPKR) {
if (fd_fm_device < 0) {
fd_fm_device = open("/dev/msm_htc_fm", O_RDWR);
if (fd_fm_device < 0) {
ALOGE("Cannot open msm_htc_fm device");
return -1;
}
ALOGD("Opened msm_htc_fm for FM radio");
}
} else if (fd_fm_device >= 0) {
close(fd_fm_device);
fd_fm_device = -1;
ALOGD("Closed msm_htc_fm after FM radio");
}
#endif
fd = open("/dev/msm_audio_ctl", O_RDWR);
if (fd < 0) {
ALOGE("Cannot open msm_audio_ctl");
return -1;
}
path[0] = out_device;
path[1] = rx_acdb_id;
if (ioctl(fd, AUDIO_SWITCH_DEVICE, &path)) {
ALOGE("Cannot switch audio device");
close(fd);
return -1;
}
path[0] = mic_device;
path[1] = tx_acdb_id;
if (ioctl(fd, AUDIO_SWITCH_DEVICE, &path)) {
ALOGE("Cannot switch mic device");
close(fd);
return -1;
}
curr_out_device = out_device;
curr_mic_device = mic_device;
Incall:
if (inCall == true && !voice_started) {
if (fd < 0) {
fd = open("/dev/msm_audio_ctl", O_RDWR);
if (fd < 0) {
ALOGE("Cannot open msm_audio_ctl");
return -1;
}
}
path[0] = rx_acdb_id;
path[1] = tx_acdb_id;
if (ioctl(fd, AUDIO_START_VOICE, &path)) {
ALOGE("Cannot start voice");
close(fd);
return -1;
}
ALOGD("Voice Started!!");
voice_started = 1;
}
else if (inCall == false && voice_started) {
if (fd < 0) {
fd = open("/dev/msm_audio_ctl", O_RDWR);
if (fd < 0) {
ALOGE("Cannot open msm_audio_ctl");
return -1;
}
}
if (ioctl(fd, AUDIO_STOP_VOICE, NULL)) {
ALOGE("Cannot stop voice");
close(fd);
return -1;
}
ALOGD("Voice Stopped!!");
voice_started = 0;
}
close(fd);
return NO_ERROR;
}
// always call with mutex held
status_t AudioHardware::doAudioRouteOrMute(uint32_t device)
{
uint32_t rx_acdb_id = 0;
uint32_t tx_acdb_id = 0;
if (support_a1026 == 1)
doAudience_A1026_Control(mMode, mRecordState, device);
if (device == (uint32_t)SND_DEVICE_BT) {
if (!mBluetoothNrec) {
device = SND_DEVICE_BT_EC_OFF;
}
}
if (device == (int) SND_DEVICE_BT) {
if (mBluetoothIdTx != 0) {
rx_acdb_id = mBluetoothIdRx;
tx_acdb_id = mBluetoothIdTx;
} else {
/* use default BT entry defined in AudioBTID.csv */
rx_acdb_id = mBTEndpoints[0].rx;
tx_acdb_id = mBTEndpoints[0].tx;
ALOGD("Update ACDB ID to default BT setting\n");
}
} else if (device == (int) SND_DEVICE_CARKIT
|| device == (int) SND_DEVICE_BT_EC_OFF) {
if (mBluetoothIdTx != 0) {
rx_acdb_id = mBluetoothIdRx;
tx_acdb_id = mBluetoothIdTx;
} else {
/* use default carkit entry defined in AudioBTID.csv */
rx_acdb_id = mBTEndpoints[1].rx;
tx_acdb_id = mBTEndpoints[1].tx;
ALOGD("Update ACDB ID to default carkit setting");
}
} else if (mMode == AudioSystem::MODE_IN_CALL
&& hac_enable && mHACSetting &&
device == (int) SND_DEVICE_HANDSET) {
ALOGD("Update acdb id to hac profile.");
rx_acdb_id = ACDB_ID_HAC_HANDSET_SPKR;
tx_acdb_id = ACDB_ID_HAC_HANDSET_MIC;
} else {
if (!checkOutputStandby() || mMode != AudioSystem::MODE_IN_CALL)
rx_acdb_id = getACDB(MOD_PLAY, device);
if (mRecordState)
tx_acdb_id = getACDB(MOD_REC, device);
}
ALOGV("doAudioRouteOrMute: rx acdb %d, tx acdb %d\n", rx_acdb_id, tx_acdb_id);
return do_route_audio_dev_ctrl(device, mMode == AudioSystem::MODE_IN_CALL, rx_acdb_id, tx_acdb_id);
}
status_t AudioHardware::get_mMode(void)
{
return mMode;
}
status_t AudioHardware::get_mRoutes(void)
{
return mRoutes[mMode];
}
status_t AudioHardware::set_mRecordState(bool onoff)
{
mRecordState = onoff;
return 0;
}
status_t AudioHardware::get_batt_temp(int *batt_temp)
{
int fd, len;
const char *fn =
"/sys/devices/platform/ds2784-battery/power_supply/battery/temp";
char get_batt_temp[6] = { 0 };
if ((fd = open(fn, O_RDONLY)) < 0) {
ALOGE("%s: cannot open %s: %s\n", __FUNCTION__, fn, strerror(errno));
return UNKNOWN_ERROR;
}
if ((len = read(fd, get_batt_temp, sizeof(get_batt_temp))) <= 1) {
ALOGE("read battery temp fail: %s\n", strerror(errno));
close(fd);
return BAD_VALUE;
}
*batt_temp = strtol(get_batt_temp, NULL, 10);
close(fd);
return NO_ERROR;
}
/*
* Note: upon exiting doA1026_init(), fd_a1026 will be -1
*/
status_t AudioHardware::doA1026_init(void)
{
struct a1026img fwimg;
char char_tmp = 0;
unsigned char local_vpimg_buf[A1026_MAX_FW_SIZE], *ptr = local_vpimg_buf;
int rc = 0, fw_fd = -1;
ssize_t nr;
size_t remaining;
struct stat fw_stat;
static const char *const fn = "/system/etc/vpimg";
static const char *const path = "/dev/audience_a1026";
if (fd_a1026 < 0)
fd_a1026 = open(path, O_RDWR | O_NONBLOCK, 0);
if (fd_a1026 < 0) {
ALOGE("Cannot open %s %d\n", path, fd_a1026);
support_a1026 = 0;
goto open_drv_err;
}
fw_fd = open(fn, O_RDONLY);
if (fw_fd < 0) {
ALOGE("Fail to open %s\n", fn);
goto ld_img_error;
} else {
ALOGD("open %s success\n", fn);
}
rc = fstat(fw_fd, &fw_stat);
if (rc < 0) {
ALOGE("Cannot stat file %s: %s\n", fn, strerror(errno));
goto ld_img_error;
}
remaining = (int)fw_stat.st_size;
ALOGD("Firmware %s size %d\n", fn, remaining);
if (remaining > sizeof(local_vpimg_buf)) {
ALOGE("File %s size %d exceeds internal limit %d\n",
fn, remaining, sizeof(local_vpimg_buf));
goto ld_img_error;
}
while (remaining) {
nr = read(fw_fd, ptr, remaining);
if (nr < 0) {
ALOGE("Error reading firmware: %s\n", strerror(errno));
goto ld_img_error;
}
else if (!nr) {
if (remaining)
ALOGW("EOF reading firmware %s while %d bytes remain\n",
fn, remaining);
break;
}
remaining -= nr;
ptr += nr;
}
close (fw_fd);
fw_fd = -1;
fwimg.buf = local_vpimg_buf;
fwimg.img_size = (int)(fw_stat.st_size - remaining);
ALOGD("Total %d bytes put to user space buffer.\n", fwimg.img_size);
rc = ioctl(fd_a1026, A1026_BOOTUP_INIT, &fwimg);
if (!rc) {
ALOGD("audience_a1026 init OK\n");
mA1026Init = 1;
} else
ALOGE("audience_a1026 init failed\n");
ld_img_error:
if (fw_fd >= 0)
close(fw_fd);
close(fd_a1026);
open_drv_err:
fd_a1026 = -1;
return rc;
}
status_t AudioHardware::get_snd_dev(void)
{
Mutex::Autolock lock(mLock);
return mCurSndDevice;
}
uint32_t AudioHardware::getACDB(int mode, int device)
{
uint32_t acdb_id = 0;
int batt_temp = 0;
if (mMode == AudioSystem::MODE_IN_CALL) {
ALOGD("skip update ACDB due to in-call");
return 0;
}
if (mode == MOD_PLAY) {
switch (device) {
case SND_DEVICE_HEADSET:
case SND_DEVICE_NO_MIC_HEADSET:
case SND_DEVICE_NO_MIC_HEADSET_BACK_MIC:
case SND_DEVICE_FM_HEADSET:
acdb_id = ACDB_ID_HEADSET_PLAYBACK;
break;
case SND_DEVICE_SPEAKER:
case SND_DEVICE_FM_SPEAKER:
case SND_DEVICE_SPEAKER_BACK_MIC:
acdb_id = ACDB_ID_SPKR_PLAYBACK;
if(alt_enable) {
ALOGD("Enable ALT for speaker\n");
if (get_batt_temp(&batt_temp) == NO_ERROR) {
if (batt_temp < 50)
acdb_id = ACDB_ID_ALT_SPKR_PLAYBACK;
ALOGD("ALT batt temp = %d\n", batt_temp);
}
}
break;
case SND_DEVICE_HEADSET_AND_SPEAKER:
case SND_DEVICE_HEADSET_AND_SPEAKER_BACK_MIC:
acdb_id = ACDB_ID_HEADSET_RINGTONE_PLAYBACK;
break;
default:
break;
}
} else if (mode == MOD_REC) {
switch (device) {
case SND_DEVICE_HEADSET:
case SND_DEVICE_FM_HEADSET:
case SND_DEVICE_FM_SPEAKER:
case SND_DEVICE_HEADSET_AND_SPEAKER:
acdb_id = ACDB_ID_EXT_MIC_REC;
break;
case SND_DEVICE_HANDSET:
case SND_DEVICE_NO_MIC_HEADSET:
case SND_DEVICE_SPEAKER:
if (vr_mode_enabled == 0) {
acdb_id = ACDB_ID_INT_MIC_REC;
} else {
acdb_id = ACDB_ID_INT_MIC_VR;
}
break;
case SND_DEVICE_SPEAKER_BACK_MIC:
case SND_DEVICE_NO_MIC_HEADSET_BACK_MIC:
case SND_DEVICE_HANDSET_BACK_MIC:
case SND_DEVICE_HEADSET_AND_SPEAKER_BACK_MIC:
acdb_id = ACDB_ID_CAMCORDER;
break;
default:
break;
}
}
ALOGV("getACDB, return ID %d\n", acdb_id);
return acdb_id;
}
status_t AudioHardware::do_tpa2018_control(int mode)
{
if (curr_out_device == HANDSET_SPKR ||
curr_out_device == SPKR_PHONE_MONO ||
curr_out_device == HEADSET_SPKR_STEREO ||
curr_out_device == SPKR_PHONE_HEADSET_STEREO ||
curr_out_device == FM_SPKR) {
int fd, rc;
int retry = 3;
switch (mode) {
case AudioSystem::MODE_NORMAL:
mode = TPA2018_MODE_PLAYBACK;
break;
case AudioSystem::MODE_RINGTONE:
mode = TPA2018_MODE_RINGTONE;
break;
case AudioSystem::MODE_IN_CALL:
mode = TPA2018_MODE_VOICE_CALL;
break;
default:
return 0;
}
fd = open("/dev/tpa2018d1", O_RDWR);
if (fd < 0) {
ALOGE("can't open /dev/tpa2018d1 %d", fd);
return -1;
}
do {
rc = ioctl(fd, TPA2018_SET_MODE, &mode);
if (!rc)
break;
} while (--retry);
if (rc < 0) {
ALOGE("ioctl TPA2018_SET_MODE failed: %s", strerror(errno));
} else
ALOGD("Update TPA2018_SET_MODE to mode %d success", mode);
close(fd);
}
return 0;
}
status_t AudioHardware::doAudience_A1026_Control(int Mode, bool Record, uint32_t Routes)
{
int rc = 0;
int retry = 4;
if (!mA1026Init) {
ALOGW("Audience A1026 not initialized.\n");
return NO_INIT;
}
mA1026Lock.lock();
if (fd_a1026 < 0) {
fd_a1026 = open("/dev/audience_a1026", O_RDWR);
if (fd_a1026 < 0) {
ALOGE("Cannot open audience_a1026 device (%d)\n", fd_a1026);
mA1026Lock.unlock();
return -1;
}
}
if ((Mode < AudioSystem::MODE_CURRENT) || (Mode >= AudioSystem::NUM_MODES)) {
ALOGW("Illegal value: doAudience_A1026_Control(%d, %u, %u)", Mode, Record, Routes);
mA1026Lock.unlock();
return BAD_VALUE;
}
if (Mode == AudioSystem::MODE_IN_CALL) {
if (Record == 1) {
switch (Routes) {
case SND_DEVICE_HANDSET:
case SND_DEVICE_NO_MIC_HEADSET:
//TODO: what do we do for camcorder when in call?
case SND_DEVICE_NO_MIC_HEADSET_BACK_MIC:
case SND_DEVICE_HANDSET_BACK_MIC:
case SND_DEVICE_TTY_VCO:
if (enable1026) {
new_pathid = A1026_PATH_INCALL_RECEIVER;
ALOGV("A1026 control: new path is A1026_PATH_INCALL_RECEIVER");
} else {
new_pathid = A1026_PATH_INCALL_NO_NS_RECEIVER;
ALOGV("A1026 control: new path is A1026_PATH_INCALL_NO_NS_RECEIVER");
}
break;
case SND_DEVICE_HEADSET:
case SND_DEVICE_HEADSET_AND_SPEAKER:
case SND_DEVICE_FM_HEADSET:
case SND_DEVICE_FM_SPEAKER:
case SND_DEVICE_HEADSET_AND_SPEAKER_BACK_MIC:
new_pathid = A1026_PATH_INCALL_HEADSET;
ALOGV("A1026 control: new path is A1026_PATH_INCALL_HEADSET");
break;
case SND_DEVICE_SPEAKER:
//TODO: what do we do for camcorder when in call?
case SND_DEVICE_SPEAKER_BACK_MIC:
new_pathid = A1026_PATH_INCALL_SPEAKER;
ALOGV("A1026 control: new path is A1026_PATH_INCALL_SPEAKER");
break;
case SND_DEVICE_BT:
case SND_DEVICE_BT_EC_OFF:
case SND_DEVICE_CARKIT:
new_pathid = A1026_PATH_INCALL_BT;
ALOGV("A1026 control: new path is A1026_PATH_INCALL_BT");
break;
case SND_DEVICE_TTY_HCO:
case SND_DEVICE_TTY_FULL:
new_pathid = A1026_PATH_INCALL_TTY;
ALOGV("A1026 control: new path is A1026_PATH_INCALL_TTY");
break;
default:
break;
}
} else {
switch (Routes) {
case SND_DEVICE_HANDSET:
case SND_DEVICE_NO_MIC_HEADSET:
case SND_DEVICE_TTY_VCO:
if (enable1026) {
new_pathid = A1026_PATH_INCALL_RECEIVER; /* NS CT mode, Dual MIC */
ALOGV("A1026 control: new path is A1026_PATH_INCALL_RECEIVER");
} else {
new_pathid = A1026_PATH_INCALL_NO_NS_RECEIVER;
ALOGV("A1026 control: new path is A1026_PATH_INCALL_NO_NS_RECEIVER");
}
break;
case SND_DEVICE_HEADSET:
case SND_DEVICE_HEADSET_AND_SPEAKER:
case SND_DEVICE_FM_HEADSET:
case SND_DEVICE_FM_SPEAKER:
new_pathid = A1026_PATH_INCALL_HEADSET; /* NS disable, Headset MIC */
ALOGV("A1026 control: new path is A1026_PATH_INCALL_HEADSET");
break;
case SND_DEVICE_SPEAKER:
new_pathid = A1026_PATH_INCALL_SPEAKER; /* NS FT mode, Main MIC */
ALOGV("A1026 control: new path is A1026_PATH_INCALL_SPEAKER");
break;
case SND_DEVICE_BT:
case SND_DEVICE_BT_EC_OFF:
case SND_DEVICE_CARKIT:
new_pathid = A1026_PATH_INCALL_BT; /* QCOM NS, BT MIC */
ALOGV("A1026 control: new path is A1026_PATH_INCALL_BT");
break;
case SND_DEVICE_TTY_HCO:
case SND_DEVICE_TTY_FULL:
new_pathid = A1026_PATH_INCALL_TTY;
ALOGV("A1026 control: new path is A1026_PATH_INCALL_TTY");
break;
default:
break;
}
}
} else if (Record == 1) {
switch (Routes) {
case SND_DEVICE_SPEAKER:
// default output is speaker, recording from phone mic, user RECEIVER configuration
case SND_DEVICE_HANDSET:
case SND_DEVICE_NO_MIC_HEADSET:
if (vr_mode_enabled) {
if (vr_uses_ns) {
new_pathid = A1026_PATH_VR_NS_RECEIVER;
ALOGV("A1026 control: new path is A1026_PATH_VR_NS_RECEIVER");
} else {
new_pathid = A1026_PATH_VR_NO_NS_RECEIVER;
ALOGV("A1026 control: new path is A1026_PATH_VR_NO_NS_RECEIVER");
}
} else {
new_pathid = A1026_PATH_RECORD_RECEIVER; /* INT-MIC Recording: NS disable, Main MIC */
ALOGV("A1026 control: new path is A1026_PATH_RECORD_RECEIVER");
}
break;
case SND_DEVICE_HEADSET:
case SND_DEVICE_HEADSET_AND_SPEAKER:
case SND_DEVICE_FM_HEADSET:
case SND_DEVICE_FM_SPEAKER:
if (vr_mode_enabled) {
if (vr_uses_ns) {
new_pathid = A1026_PATH_VR_NS_HEADSET;
ALOGV("A1026 control: new path is A1026_PATH_VR_NS_HEADSET");
} else {
new_pathid = A1026_PATH_VR_NO_NS_HEADSET;
ALOGV("A1026 control: new path is A1026_PATH_VR_NO_NS_HEADSET");
}
} else {
new_pathid = A1026_PATH_RECORD_HEADSET; /* EXT-MIC Recording: NS disable, Headset MIC */
ALOGV("A1026 control: new path is A1026_PATH_RECORD_HEADSET");
}
break;
case SND_DEVICE_SPEAKER_BACK_MIC:
case SND_DEVICE_NO_MIC_HEADSET_BACK_MIC:
case SND_DEVICE_HANDSET_BACK_MIC:
case SND_DEVICE_HEADSET_AND_SPEAKER_BACK_MIC:
new_pathid = A1026_PATH_CAMCORDER; /* CAM-Coder: NS FT mode, Back MIC */
ALOGV("A1026 control: new path is A1026_PATH_CAMCORDER");
break;
case SND_DEVICE_BT:
case SND_DEVICE_BT_EC_OFF:
case SND_DEVICE_CARKIT:
if (vr_mode_enabled) {
if (vr_uses_ns) {
new_pathid = A1026_PATH_VR_NS_BT;
ALOGV("A1026 control: new path is A1026_PATH_VR_NS_BT");
} else {
new_pathid = A1026_PATH_VR_NO_NS_BT;
ALOGV("A1026 control: new path is A1026_PATH_VR_NO_NS_BT");
}
} else {
new_pathid = A1026_PATH_RECORD_BT; /* BT MIC */
ALOGV("A1026 control: new path is A1026_PATH_RECORD_BT");
}
break;
default:
break;
}
}
else {
switch (Routes) {
case SND_DEVICE_BT:
case SND_DEVICE_BT_EC_OFF:
case SND_DEVICE_CARKIT:
new_pathid = A1026_PATH_RECORD_BT; /* BT MIC */
ALOGV("A1026 control: new path is A1026_PATH_RECORD_BT");
break;
default:
new_pathid = A1026_PATH_SUSPEND;
break;
}
}
if (old_pathid != new_pathid) {
//ALOGI("A1026: do ioctl(A1026_SET_CONFIG) to %d\n", new_pathid);
do {
rc = ioctl(fd_a1026, A1026_SET_CONFIG, &new_pathid);
if (!rc) {
old_pathid = new_pathid;
break;
}
} while (--retry);
if (rc < 0) {
ALOGW("A1026 do hard reset to recover from error!\n");
rc = doA1026_init(); /* A1026 needs to do hard reset! */
if (!rc) {
/* after doA1026_init(), fd_a1026 is -1*/
fd_a1026 = open("/dev/audience_a1026", O_RDWR);
if (fd_a1026 < 0) {
ALOGE("A1026 Fatal Error: unable to open A1026 after hard reset\n");
} else {
rc = ioctl(fd_a1026, A1026_SET_CONFIG, &new_pathid);
if (!rc) {
old_pathid = new_pathid;
} else {
ALOGE("A1026 Fatal Error: unable to A1026_SET_CONFIG after hard reset\n");
}
}
} else
ALOGE("A1026 Fatal Error: Re-init A1026 Failed\n");
}
}
if (fd_a1026 >= 0) {
close(fd_a1026);
}
fd_a1026 = -1;
mA1026Lock.unlock();
return rc;
}
status_t AudioHardware::doRouting()
{
Mutex::Autolock lock(mLock);
uint32_t outputDevices = mOutput->devices();
status_t ret = NO_ERROR;
AudioStreamInMSM72xx *input = getActiveInput_l();
uint32_t inputDevice = (input == NULL) ? 0 : input->devices();
int sndDevice = -1;
if (mMode == AudioSystem::MODE_IN_CALL && mTTYMode != TTY_MODE_OFF) {
if ((outputDevices & AudioSystem::DEVICE_OUT_WIRED_HEADSET) ||
(outputDevices & AudioSystem::DEVICE_OUT_WIRED_HEADPHONE)) {
switch (mTTYMode) {
case TTY_MODE_FULL:
sndDevice = SND_DEVICE_TTY_FULL;
break;
case TTY_MODE_VCO:
sndDevice = SND_DEVICE_TTY_VCO;
break;
case TTY_MODE_HCO:
sndDevice = SND_DEVICE_TTY_HCO;
break;
}
}
}
if (sndDevice == -1 && inputDevice != 0) {
ALOGI("do input routing device %x\n", inputDevice);
if (inputDevice & AudioSystem::DEVICE_IN_BLUETOOTH_SCO_HEADSET) {
ALOGI("Routing audio to Bluetooth PCM\n");
sndDevice = SND_DEVICE_BT;
} else if (inputDevice & AudioSystem::DEVICE_OUT_BLUETOOTH_SCO_CARKIT) {
ALOGI("Routing audio to Bluetooth car kit\n");
sndDevice = SND_DEVICE_CARKIT;
} else if (inputDevice & AudioSystem::DEVICE_IN_WIRED_HEADSET) {
if ((outputDevices & AudioSystem::DEVICE_OUT_WIRED_HEADSET) &&
(outputDevices & AudioSystem::DEVICE_OUT_SPEAKER)) {
ALOGI("Routing audio to Wired Headset and Speaker\n");
sndDevice = SND_DEVICE_HEADSET_AND_SPEAKER;
} else {
ALOGI("Routing audio to Wired Headset\n");
sndDevice = SND_DEVICE_HEADSET;
}
} else if (inputDevice & AudioSystem::DEVICE_IN_BACK_MIC) {
if (outputDevices & (AudioSystem:: DEVICE_OUT_WIRED_HEADSET) &&
(outputDevices & AudioSystem:: DEVICE_OUT_SPEAKER)) {
ALOGI("Routing audio to Wired Headset and Speaker with back mic\n");
sndDevice = SND_DEVICE_HEADSET_AND_SPEAKER_BACK_MIC;
} else if (outputDevices & AudioSystem::DEVICE_OUT_SPEAKER) {
ALOGI("Routing audio to Speakerphone with back mic\n");
sndDevice = SND_DEVICE_SPEAKER_BACK_MIC;
} else if (outputDevices == AudioSystem::DEVICE_OUT_EARPIECE) {
ALOGI("Routing audio to Handset with back mic\n");
sndDevice = SND_DEVICE_HANDSET_BACK_MIC;
} else {
ALOGI("Routing audio to Headset with back mic\n");
sndDevice = SND_DEVICE_NO_MIC_HEADSET_BACK_MIC;
}
} else {
if (outputDevices & AudioSystem::DEVICE_OUT_SPEAKER) {
ALOGI("Routing audio to Speakerphone\n");
sndDevice = SND_DEVICE_SPEAKER;
} else if (outputDevices == AudioSystem::DEVICE_OUT_WIRED_HEADPHONE) {
ALOGI("Routing audio to Speakerphone\n");
sndDevice = SND_DEVICE_NO_MIC_HEADSET;
} else {
ALOGI("Routing audio to Handset\n");
sndDevice = SND_DEVICE_HANDSET;
}
}
}
// if inputDevice == 0, restore output routing
if (sndDevice == -1) {
if (outputDevices & (outputDevices - 1)) {
if ((outputDevices & AudioSystem::DEVICE_OUT_SPEAKER) == 0) {
ALOGW("Hardware does not support requested route combination (%#X),"
" picking closest possible route...", outputDevices);
}
}
if (outputDevices &
(AudioSystem::DEVICE_OUT_BLUETOOTH_SCO | AudioSystem::DEVICE_OUT_BLUETOOTH_SCO_HEADSET)) {
ALOGI("Routing audio to Bluetooth PCM\n");
sndDevice = SND_DEVICE_BT;
} else if (outputDevices & AudioSystem::DEVICE_OUT_BLUETOOTH_SCO_CARKIT) {
ALOGI("Routing audio to Bluetooth PCM\n");
sndDevice = SND_DEVICE_CARKIT;
} else if ((outputDevices & AudioSystem::DEVICE_OUT_WIRED_HEADSET) &&
(outputDevices & AudioSystem::DEVICE_OUT_SPEAKER)) {
ALOGI("Routing audio to Wired Headset and Speaker\n");
sndDevice = SND_DEVICE_HEADSET_AND_SPEAKER;
} else if (outputDevices & AudioSystem::DEVICE_OUT_WIRED_HEADPHONE) {
if (outputDevices & AudioSystem::DEVICE_OUT_SPEAKER) {
ALOGI("Routing audio to No microphone Wired Headset and Speaker (%d,%x)\n", mMode, outputDevices);
sndDevice = SND_DEVICE_HEADSET_AND_SPEAKER;
} else {
ALOGI("Routing audio to No microphone Wired Headset (%d,%x)\n", mMode, outputDevices);
sndDevice = SND_DEVICE_NO_MIC_HEADSET;
}
} else if (outputDevices & AudioSystem::DEVICE_OUT_WIRED_HEADSET) {
ALOGI("Routing audio to Wired Headset\n");
sndDevice = SND_DEVICE_HEADSET;
} else if (outputDevices & AudioSystem::DEVICE_OUT_SPEAKER) {
ALOGI("Routing audio to Speakerphone\n");
sndDevice = SND_DEVICE_SPEAKER;
} else {
ALOGI("Routing audio to Handset\n");
sndDevice = SND_DEVICE_HANDSET;
}
}
if ((vr_mode_change) || (sndDevice != -1 && sndDevice != mCurSndDevice)) {
ret = doAudioRouteOrMute(sndDevice);
mCurSndDevice = sndDevice;
if (mMode == AudioSystem::MODE_IN_CALL) {
if (mHACSetting && hac_enable && mCurSndDevice == (int) SND_DEVICE_HANDSET) {
ALOGD("HAC enable: Setting in-call volume to maximum.\n");
set_volume_rpc(VOICE_VOLUME_MAX);
} else {
set_volume_rpc(mVoiceVolume);
}
}
}
return ret;
}
status_t AudioHardware::checkMicMute()
{
Mutex::Autolock lock(mLock);
if (mMode != AudioSystem::MODE_IN_CALL) {
setMicMute_nosync(true);
}
return NO_ERROR;
}
status_t AudioHardware::dumpInternals(int fd, const Vector<String16>& args)
{
const size_t SIZE = 256;
char buffer[SIZE];
String8 result;
result.append("AudioHardware::dumpInternals\n");
snprintf(buffer, SIZE, "\tmInit: %s\n", mInit? "true": "false");
result.append(buffer);
snprintf(buffer, SIZE, "\tmMicMute: %s\n", mMicMute? "true": "false");
result.append(buffer);
snprintf(buffer, SIZE, "\tmBluetoothNrec: %s\n", mBluetoothNrec? "true": "false");
result.append(buffer);
snprintf(buffer, SIZE, "\tmBluetoothIdtx: %d\n", mBluetoothIdTx);
result.append(buffer);
snprintf(buffer, SIZE, "\tmBluetoothIdrx: %d\n", mBluetoothIdRx);
result.append(buffer);
::write(fd, result.string(), result.size());
return NO_ERROR;
}
status_t AudioHardware::dump(int fd, const Vector<String16>& args)
{
dumpInternals(fd, args);
for (size_t index = 0; index < mInputs.size(); index++) {
mInputs[index]->dump(fd, args);
}
if (mOutput) {
mOutput->dump(fd, args);
}
return NO_ERROR;
}
uint32_t AudioHardware::getInputSampleRate(uint32_t sampleRate)
{
uint32_t i;
uint32_t prevDelta;
uint32_t delta;
for (i = 0, prevDelta = 0xFFFFFFFF; i < sizeof(inputSamplingRates)/sizeof(uint32_t); i++, prevDelta = delta) {
delta = abs(sampleRate - inputSamplingRates[i]);
if (delta > prevDelta) break;
}
// i is always > 0 here
return inputSamplingRates[i-1];
}
// getActiveInput_l() must be called with mLock held
AudioHardware::AudioStreamInMSM72xx *AudioHardware::getActiveInput_l()
{
for (size_t i = 0; i < mInputs.size(); i++) {
// return first input found not being in standby mode
// as only one input can be in this state
if (!mInputs[i]->checkStandby()) {
return mInputs[i];
}
}
return NULL;
}
// ----------------------------------------------------------------------------
AudioHardware::AudioStreamOutMSM72xx::AudioStreamOutMSM72xx() :
mHardware(0), mFd(-1), mStartCount(0), mRetryCount(0), mStandby(true),
mDevices(0), mChannels(AUDIO_HW_OUT_CHANNELS), mSampleRate(AUDIO_HW_OUT_SAMPLERATE),
mBufferSize(AUDIO_HW_OUT_BUFSZ)
{
}
status_t AudioHardware::AudioStreamOutMSM72xx::set(
AudioHardware* hw, uint32_t devices, int *pFormat, uint32_t *pChannels, uint32_t *pRate)
{
int lFormat = pFormat ? *pFormat : 0;
uint32_t lChannels = pChannels ? *pChannels : 0;
uint32_t lRate = pRate ? *pRate : 0;
mHardware = hw;
mDevices = devices;
// fix up defaults
if (lFormat == 0) lFormat = format();
if (lChannels == 0) lChannels = channels();
if (lRate == 0) lRate = sampleRate();
// check values
if ((lFormat != format()) ||
(lChannels != channels()) ||
(lRate != sampleRate())) {
if (pFormat) *pFormat = format();
if (pChannels) *pChannels = channels();
if (pRate) *pRate = sampleRate();
return BAD_VALUE;
}
if (pFormat) *pFormat = lFormat;
if (pChannels) *pChannels = lChannels;
if (pRate) *pRate = lRate;
mChannels = lChannels;
mSampleRate = lRate;
mBufferSize = hw->getBufferSize(lRate, AudioSystem::popCount(lChannels));
return NO_ERROR;
}
AudioHardware::AudioStreamOutMSM72xx::~AudioStreamOutMSM72xx()
{
standby();
}
ssize_t AudioHardware::AudioStreamOutMSM72xx::write(const void* buffer, size_t bytes)
{
// ALOGD("AudioStreamOutMSM72xx::write(%p, %u)", buffer, bytes);
status_t status = NO_INIT;
size_t count = bytes;
const uint8_t* p = static_cast<const uint8_t*>(buffer);
if (mStandby) {
ALOGV("acquire output wakelock");
acquire_wake_lock(PARTIAL_WAKE_LOCK, kOutputWakelockStr);
// open driver
ALOGV("open pcm_out driver");
status = ::open("/dev/msm_pcm_out", O_RDWR);
if (status < 0) {
if (errCount++ < 10) {
ALOGE("Cannot open /dev/msm_pcm_out errno: %d", errno);
}
release_wake_lock(kOutputWakelockStr);
goto Error;
}
mFd = status;
mStandby = false;
// configuration
ALOGV("get config");
struct msm_audio_config config;
status = ioctl(mFd, AUDIO_GET_CONFIG, &config);
if (status < 0) {
ALOGE("Cannot read pcm_out config");
goto Error;
}
ALOGV("set pcm_out config");
config.channel_count = AudioSystem::popCount(channels());
config.sample_rate = mSampleRate;
config.buffer_size = mBufferSize;
config.buffer_count = AUDIO_HW_NUM_OUT_BUF;
config.codec_type = CODEC_TYPE_PCM;
status = ioctl(mFd, AUDIO_SET_CONFIG, &config);
if (status < 0) {
ALOGE("Cannot set config");
goto Error;
}
ALOGV("buffer_size: %u", config.buffer_size);
ALOGV("buffer_count: %u", config.buffer_count);
ALOGV("channel_count: %u", config.channel_count);
ALOGV("sample_rate: %u", config.sample_rate);
uint32_t acdb_id = mHardware->getACDB(MOD_PLAY, mHardware->get_snd_dev());
status = ioctl(mFd, AUDIO_START, &acdb_id);
if (status < 0) {
ALOGE("Cannot start pcm playback");
goto Error;
}
status = ioctl(mFd, AUDIO_SET_VOLUME, &stream_volume);
if (status < 0) {
ALOGE("Cannot start pcm playback");
goto Error;
}
}
while (count) {
ssize_t written = ::write(mFd, p, count);
if (written >= 0) {
count -= written;
p += written;
} else {
if (errno != EAGAIN) {
status = written;
goto Error;
}
mRetryCount++;
ALOGD("EAGAIN - retry");
}
}
return bytes;
Error:
standby();
// Simulate audio output timing in case of error
usleep((((bytes * 1000) / frameSize()) * 1000) / sampleRate());
return status;
}
status_t AudioHardware::AudioStreamOutMSM72xx::standby()
{
if (!mStandby) {
ALOGD("AudioHardware pcm playback is going to standby.");
if (mFd >= 0) {
::close(mFd);
mFd = -1;
}
ALOGV("release output wakelock");
release_wake_lock(kOutputWakelockStr);
mStandby = true;
}
return NO_ERROR;
}
status_t AudioHardware::AudioStreamOutMSM72xx::dump(int fd, const Vector<String16>& args)
{
const size_t SIZE = 256;
char buffer[SIZE];
String8 result;
result.append("AudioStreamOutMSM72xx::dump\n");
snprintf(buffer, SIZE, "\tsample rate: %d\n", sampleRate());
result.append(buffer);
snprintf(buffer, SIZE, "\tbuffer size: %d\n", bufferSize());
result.append(buffer);
snprintf(buffer, SIZE, "\tchannels: %d\n", channels());
result.append(buffer);
snprintf(buffer, SIZE, "\tformat: %d\n", format());
result.append(buffer);
snprintf(buffer, SIZE, "\tmHardware: %p\n", mHardware);
result.append(buffer);
snprintf(buffer, SIZE, "\tmFd: %d\n", mFd);
result.append(buffer);
snprintf(buffer, SIZE, "\tmStartCount: %d\n", mStartCount);
result.append(buffer);
snprintf(buffer, SIZE, "\tmRetryCount: %d\n", mRetryCount);
result.append(buffer);
snprintf(buffer, SIZE, "\tmStandby: %s\n", mStandby? "true": "false");
result.append(buffer);
::write(fd, result.string(), result.size());
return NO_ERROR;
}
bool AudioHardware::AudioStreamOutMSM72xx::checkStandby()
{
return mStandby;
}
status_t AudioHardware::AudioStreamOutMSM72xx::setParameters(const String8& keyValuePairs)
{
AudioParameter param = AudioParameter(keyValuePairs);
String8 key = String8(AudioParameter::keyRouting);
status_t status = NO_ERROR;
int device;
ALOGV("AudioStreamOutMSM72xx::setParameters() %s", keyValuePairs.string());
if (param.getInt(key, device) == NO_ERROR) {
mDevices = device;
ALOGV("set output routing %x", mDevices);
status = mHardware->doRouting();
param.remove(key);
}
if (param.size()) {
status = BAD_VALUE;
}
return status;
}
String8 AudioHardware::AudioStreamOutMSM72xx::getParameters(const String8& keys)
{
AudioParameter param = AudioParameter(keys);
String8 value;
String8 key = String8(AudioParameter::keyRouting);
if (param.get(key, value) == NO_ERROR) {
ALOGV("get routing %x", mDevices);
param.addInt(key, (int)mDevices);
}
ALOGV("AudioStreamOutMSM72xx::getParameters() %s", param.toString().string());
return param.toString();
}
status_t AudioHardware::AudioStreamOutMSM72xx::getRenderPosition(uint32_t *dspFrames)
{
//TODO: enable when supported by driver
return INVALID_OPERATION;
}
// ----------------------------------------------------------------------------
AudioHardware::AudioStreamInMSM72xx::AudioStreamInMSM72xx() :
mHardware(0), mFd(-1), mStandby(true), mRetryCount(0),
mFormat(AUDIO_HW_IN_FORMAT), mChannels(AUDIO_HW_IN_CHANNELS),
mSampleRate(AUDIO_HW_IN_SAMPLERATE), mBufferSize(AUDIO_HW_IN_BUFSZ),
mAcoustics((AudioSystem::audio_in_acoustics)0), mDevices(0)
{
}
status_t AudioHardware::AudioStreamInMSM72xx::set(
AudioHardware* hw, uint32_t devices, int *pFormat, uint32_t *pChannels, uint32_t *pRate,
AudioSystem::audio_in_acoustics acoustic_flags)
{
if (pFormat == 0 || *pFormat != AUDIO_HW_IN_FORMAT) {
*pFormat = AUDIO_HW_IN_FORMAT;
return BAD_VALUE;
}
if (pRate == 0) {
return BAD_VALUE;
}
uint32_t rate = hw->getInputSampleRate(*pRate);
if (rate != *pRate) {
*pRate = rate;
return BAD_VALUE;
}
if (pChannels == 0 || (*pChannels != AudioSystem::CHANNEL_IN_MONO &&
*pChannels != AudioSystem::CHANNEL_IN_STEREO)) {
*pChannels = AUDIO_HW_IN_CHANNELS;
return BAD_VALUE;
}
mHardware = hw;
ALOGV("AudioStreamInMSM72xx::set(%d, %d, %u)", *pFormat, *pChannels, *pRate);
if (mFd >= 0) {
ALOGE("Audio record already open");
return -EPERM;
}
mBufferSize = hw->getBufferSize(*pRate, AudioSystem::popCount(*pChannels));
mDevices = devices;
mFormat = AUDIO_HW_IN_FORMAT;
mChannels = *pChannels;
mSampleRate = *pRate;
return NO_ERROR;
}
AudioHardware::AudioStreamInMSM72xx::~AudioStreamInMSM72xx()
{
ALOGV("AudioStreamInMSM72xx destructor");
standby();
}
ssize_t AudioHardware::AudioStreamInMSM72xx::read( void* buffer, ssize_t bytes)
{
// ALOGV("AudioStreamInMSM72xx::read(%p, %ld)", buffer, bytes);
if (!mHardware) return -1;
size_t count = bytes;
uint8_t* p = static_cast<uint8_t*>(buffer);
status_t status = NO_ERROR;
if (mStandby) {
{ // scope for the lock
Mutex::Autolock lock(mHardware->mLock);
ALOGV("acquire input wakelock");
acquire_wake_lock(PARTIAL_WAKE_LOCK, kInputWakelockStr);
// open audio input device
status = ::open("/dev/msm_pcm_in", O_RDWR);
if (status < 0) {
ALOGE("Cannot open /dev/msm_pcm_in errno: %d", errno);
ALOGV("release input wakelock");
release_wake_lock(kInputWakelockStr);
goto Error;
}
mFd = status;
mStandby = false;
// configuration
ALOGV("get config");
struct msm_audio_config config;
status = ioctl(mFd, AUDIO_GET_CONFIG, &config);
if (status < 0) {
ALOGE("Cannot read config");
goto Error;
}
ALOGV("set config");
config.channel_count = AudioSystem::popCount(mChannels);
config.sample_rate = mSampleRate;
config.buffer_size = mBufferSize;
config.buffer_count = 2;
config.codec_type = CODEC_TYPE_PCM;
status = ioctl(mFd, AUDIO_SET_CONFIG, &config);
if (status < 0) {
ALOGE("Cannot set config");
goto Error;
}
ALOGV("buffer_size: %u", config.buffer_size);
ALOGV("buffer_count: %u", config.buffer_count);
ALOGV("channel_count: %u", config.channel_count);
ALOGV("sample_rate: %u", config.sample_rate);
}
mHardware->set_mRecordState(1);
// make sure a1026 config is re-applied even is input device is not changed
mHardware->clearCurDevice();
mHardware->doRouting();
uint32_t acdb_id = mHardware->getACDB(MOD_REC, mHardware->get_snd_dev());
if (ioctl(mFd, AUDIO_START, &acdb_id)) {
ALOGE("Error starting record");
goto Error;
}
}
while (count) {
ssize_t bytesRead = ::read(mFd, buffer, count);
if (bytesRead >= 0) {
count -= bytesRead;
p += bytesRead;
} else {
if (errno != EAGAIN) {
status = bytesRead;
goto Error;
}
mRetryCount++;
ALOGD("EAGAIN - retrying");
}
}
return bytes;
Error:
standby();
// Simulate audio input timing in case of error
usleep((((bytes * 1000) / frameSize()) * 1000) / sampleRate());
return status;
}
status_t AudioHardware::AudioStreamInMSM72xx::standby()
{
if (!mStandby) {
ALOGD("AudioHardware PCM record is going to standby.");
if (mFd >= 0) {
::close(mFd);
mFd = -1;
}
ALOGV("release input wakelock");
release_wake_lock(kInputWakelockStr);
mStandby = true;
if (!mHardware) return -1;
mHardware->set_mRecordState(0);
// make sure a1026 config is re-applied even is input device is not changed
mHardware->clearCurDevice();
mHardware->doRouting();
}
return NO_ERROR;
}
bool AudioHardware::AudioStreamInMSM72xx::checkStandby()
{
return mStandby;
}
status_t AudioHardware::AudioStreamInMSM72xx::dump(int fd, const Vector<String16>& args)
{
const size_t SIZE = 256;
char buffer[SIZE];
String8 result;
result.append("AudioStreamInMSM72xx::dump\n");
snprintf(buffer, SIZE, "\tsample rate: %d\n", sampleRate());
result.append(buffer);
snprintf(buffer, SIZE, "\tbuffer size: %d\n", bufferSize());
result.append(buffer);
snprintf(buffer, SIZE, "\tchannels: %d\n", channels());
result.append(buffer);
snprintf(buffer, SIZE, "\tformat: %d\n", format());
result.append(buffer);
snprintf(buffer, SIZE, "\tmHardware: %p\n", mHardware);
result.append(buffer);
snprintf(buffer, SIZE, "\tmFd count: %d\n", mFd);
result.append(buffer);
snprintf(buffer, SIZE, "\tmStandby: %d\n", mStandby);
result.append(buffer);
snprintf(buffer, SIZE, "\tmRetryCount: %d\n", mRetryCount);
result.append(buffer);
::write(fd, result.string(), result.size());
return NO_ERROR;
}
status_t AudioHardware::AudioStreamInMSM72xx::setParameters(const String8& keyValuePairs)
{
AudioParameter param = AudioParameter(keyValuePairs);
status_t status = NO_ERROR;
int device;
String8 key = String8(AudioParameter::keyInputSource);
int source;
ALOGV("AudioStreamInMSM72xx::setParameters() %s", keyValuePairs.string());
// reading input source for voice recognition mode parameter
if (param.getInt(key, source) == NO_ERROR) {
ALOGV("set input source %d", source);
int uses_vr = (source == AUDIO_SOURCE_VOICE_RECOGNITION);
vr_mode_change = (vr_mode_enabled != uses_vr);
vr_mode_enabled = uses_vr;
param.remove(key);
}
// reading routing parameter
key = String8(AudioParameter::keyRouting);
if (param.getInt(key, device) == NO_ERROR) {
ALOGV("set input routing %x", device);
if (device & (device - 1)) {
status = BAD_VALUE;
} else {
mDevices = device;
status = mHardware->doRouting();
}
param.remove(key);
}
if (param.size()) {
status = BAD_VALUE;
}
return status;
}
String8 AudioHardware::AudioStreamInMSM72xx::getParameters(const String8& keys)
{
AudioParameter param = AudioParameter(keys);
String8 value;
String8 key = String8(AudioParameter::keyRouting);
if (param.get(key, value) == NO_ERROR) {
ALOGV("get routing %x", mDevices);
param.addInt(key, (int)mDevices);
}
ALOGV("AudioStreamInMSM72xx::getParameters() %s", param.toString().string());
return param.toString();
}
// ----------------------------------------------------------------------------
extern "C" AudioHardwareInterface* createAudioHardware(void) {
return new AudioHardware();
}
}; // namespace android