static int msm_hsusb_pmic_vbus_notif_init(void (*callback)(int online),
int init)
{
unsigned ret = -ENODEV;
if (!callback)
return -EINVAL;
if (init) {
notify_vbus_state_func_ptr = callback;
ret = pm8058_mpp_config_digital_in(PMIC_CBLPWR0_N,
PM8058_MPP_DIG_LEVEL_S3, PM_MPP_DIN_TO_INT);
if (ret) {
pr_err("%s: PM8058 MPP%d configuration failed\n",
__func__, PMIC_CBLPWR0_N + 1);
return ret;
}
INIT_DELAYED_WORK(&pmic_vbus_det, pmic_vbus_detect);
ret = request_threaded_irq(PMICVBUS_INT, NULL, pmic_vbus_on_irq,
(IRQF_TRIGGER_RISING|IRQF_TRIGGER_FALLING),
"msm_otg_vbus", NULL);
if (ret) {
pr_err("%s:pmic_usb_vbus interrupt registration failed",
__func__);
return ret;
}
semc_fuji_otg_pdata.pmic_vbus_irq = PMICVBUS_INT;
} else {
free_irq(PMICVBUS_INT, 0);
semc_fuji_otg_pdata.pmic_vbus_irq = 0;
cancel_delayed_work_sync(&pmic_vbus_det);
notify_vbus_state_func_ptr = NULL;
}
return 0;
}
static void remotekey_detect_func(struct work_struct * test_remotekey_work)
{
int key_first=0;
int key_second=0;
// int key_third=0;
dbg_func_in();
// car kit
if(earjack->car_kit ){
if(EARJACK_INSERTED){
dbg("report KEY_MEDIA input from car_kit");
input_report_key(earjack->ipdev, KEY_MEDIA, earjack->remotekey_pressed); // car kit button down
earjack->car_kit = 0; // reset car_kit flag
if(REMOTEKEY_RELEASED) {
earjack->remotekey_pressed = 0;
input_report_key(earjack->ipdev, KEY_MEDIA, earjack->remotekey_pressed); // car kit button up
}
}
earjack->car_kit = 0; // reset car_kit flag.
enable_irq(gpio_to_irq(REMOTEKEY_DET));
wake_unlock(&remotekey_wake_lock);
dbg_func_out();
return ;
}
// if current state: key not pressed
if(!earjack->remotekey_pressed){
dbg("current state: remotekey not pressed, read adc value. \n");
pm8058_mpp_config_analog_input(XOADC_MPP_3,PM_MPP_AIN_AMUX_CH5, PM_MPP_AOUT_CTL_DISABLE);
// read adc value twice
key_first=adc_value_to_key();
key_second=adc_value_to_key(); // after 20ms (adc reading delay)
pm8058_mpp_config_digital_in(XOADC_MPP_3,PM8058_MPP_DIG_LEVEL_S3, PM_MPP_DIN_TO_INT);
// is valid key && earjack inserted
if( (key_first==key_second) && EARJACK_INSERTED){
earjack->remotekey_index = key_first;
earjack->remotekey_pressed = 1;
if (earjack->remotekey_index != 0 && !earjack->car_kit)
{
input_report_key(earjack->ipdev, remotekey_type[earjack->remotekey_index].key_index, earjack->remotekey_pressed);
dbg("remote key: %s : %d->%d \n", remotekey_type[earjack->remotekey_index].key_name, !earjack->remotekey_pressed, earjack->remotekey_pressed);
}
else if (earjack->car_kit)
{
schedule_delayed_work(&remotekey_work, 20); // for car kit : delayed work after 200ms for __ TODO
return;
}
// Defense code :key pressed but released during processing key.
if(REMOTEKEY_RELEASED){
earjack->remotekey_pressed=0;
if (earjack->remotekey_index != 0)
input_report_key(earjack->ipdev, remotekey_type[earjack->remotekey_index].key_index, earjack->remotekey_pressed);
dbg("remote key: %s : %d->%d \n", remotekey_type[earjack->remotekey_index].key_name, !earjack->remotekey_pressed, earjack->remotekey_pressed);
}
}
// else, ignore key
else {
dbg("igrnore key.\n");
enable_irq(gpio_to_irq(REMOTEKEY_DET));
wake_unlock(&remotekey_wake_lock);
dbg_func_out();
return ;
}
}
// if current state : key pressed
else
{
earjack->remotekey_pressed=0;
if (earjack->remotekey_index != 0)
input_report_key(earjack->ipdev, remotekey_type[earjack->remotekey_index].key_index, earjack->remotekey_pressed);
dbg("remote key: %s : %d->%d \n", remotekey_type[earjack->remotekey_index].key_name, !earjack->remotekey_pressed, earjack->remotekey_pressed);
}
input_sync(earjack->ipdev);
enable_irq(gpio_to_irq(REMOTEKEY_DET));
wake_unlock(&remotekey_wake_lock);
dbg_func_out();
return;
}
static void earjack_detect_func( struct work_struct *test_earjack)
{
int err;
dbg_func_in();
dbg("currnet earjack->type: ");
switch(earjack->type){
case EARJACK_STATE_OFF :
{
dbg_without_label("EARJACK_STATE_OFF\n");
if(EARJACK_INSERTED){
earjack->type = EARJACK_STATE_CHECK;
#if defined(CONFIG_MIC_BIAS_1_8V)
#else
err=regulator_is_enabled(hs_jack_l8);
if(err<=0) err = regulator_enable(hs_jack_l8);
#endif //defined(CONFIG_MACH_MSM8X60_PRESTO)
pm8058_mpp_config_digital_in(XOADC_MPP_3,PM8058_MPP_DIG_LEVEL_S3, PM_MPP_DIN_TO_INT);
schedule_delayed_work(&earjack_work, 5); //50ms
// return without enable IRQ, wake_unlock.
return;
}
break;
}
case EARJACK_STATE_CHECK :
{
dbg_without_label("EARJACK_STATE_CHECK\n");
if(EARJACK_INSERTED)
{
// 3pole
if(!is_4pole_earjack()){
dbg("3pole headset inserted.\n");
earjack->type= EARJACK_STATE_ON_3POLE_CHECK;
earjack->mic_on = 0;
earjack->hs_on = 1;
input_report_switch(earjack->ipdev, SW_HEADPHONE_INSERT,earjack->hs_on);
switch_set_state(&earjack->sdev, switch_state());
schedule_delayed_work(&earjack_work, 60); // check if 4pole 600ms
// return without enable IRQ, wake_unlock.
return;
}
//4pole
else {
dbg("4pole headset inserted.\n");
earjack->type= EARJACK_STATE_ON;
err=request_threaded_irq(gpio_to_irq(REMOTEKEY_DET),NULL,Remotekey_Det_handler,IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING, "remote_det-irq", earjack);
if(err)
dbg("request_threaded_irq failed\n");
earjack->mic_on = 1;
earjack->hs_on = 1;
input_report_switch(earjack->ipdev, SW_MICROPHONE_INSERT,earjack->mic_on); //TODO: NO USE?
input_report_switch(earjack->ipdev, SW_HEADPHONE_INSERT,earjack->hs_on);
switch_set_state(&earjack->sdev, switch_state());
}
}
else // if EARJACK_RELEASED
{
earjack->type = EARJACK_STATE_OFF;
dbg("earjack_type: -> EARJACK_STATE_OFF");
}
break; // case EARJACK_STATE_CHECK
}
case EARJACK_STATE_ON_3POLE_CHECK :
{
// CHECKING IF 4POLE EARJACK IS INSERTIND?
dbg_without_label("EARJACK_STATE_ON_3POLE_CHECK\n");
if(EARJACK_INSERTED){
earjack->type= EARJACK_STATE_ON;
if(!is_4pole_earjack()){
dbg("3pole earjack insert.\n");
#if defined(CONFIG_MIC_BIAS_1_8V)
#else
err=regulator_is_enabled(hs_jack_l8);
dbg("regulator_is_enabled(hs_jack_l8) value => %d\n",err);
if(err>0) regulator_disable(hs_jack_l8);
#endif //defined(CONFIG_MACH_MSM8X60_PRESTO)
}
else {
dbg("4pole earjack insert.\n");
earjack->mic_on =1;
input_report_switch(earjack->ipdev, SW_MICROPHONE_INSERT,earjack->mic_on);
switch_set_state(&earjack->sdev, switch_state());
err=request_threaded_irq(gpio_to_irq(REMOTEKEY_DET),NULL,Remotekey_Det_handler,IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING, "remote_det-irq", earjack);
if(err) dbg("request_threaded_irq failed\n");
}
}
else{
#if defined(CONFIG_MIC_BIAS_1_8V)
#else
err=regulator_is_enabled(hs_jack_l8);
dbg("regulator_is_enabled(hs_jack_l8) value => %d\n",err);
if(err>0) regulator_disable(hs_jack_l8);
#endif// defined(CONFIG_MACH_MSM8X60_PRESTO)
earjack->type = EARJACK_STATE_OFF;
earjack->hs_on=0;
input_report_switch(earjack->ipdev, SW_HEADPHONE_INSERT,earjack->hs_on);
switch_set_state(&earjack->sdev, switch_state());
}
break;
}
case EARJACK_STATE_ON:
{
dbg_without_label("EARJACK_STATE_ON\n");
if(EARJACK_RELEASED){
earjack->type = EARJACK_STATE_OFF;
// if 4pole
if (earjack->mic_on) {
earjack->mic_on = 0;
input_report_switch(earjack->ipdev, SW_MICROPHONE_INSERT,earjack->mic_on);
// free remote key irq and turn off mic power.
free_irq(gpio_to_irq(REMOTEKEY_DET), earjack);
#if defined(CONFIG_MIC_BIAS_1_8V)
#else
err=regulator_is_enabled(hs_jack_l8);
dbg("regulator_is_enabled(hs_jack_l8) value => %d\n",err);
if(err>0){
regulator_disable(hs_jack_l8);
}
#endif //defined(CONFIG_MACH_MSM8X60_PRESTO)
// release remote key if pressed
if(earjack->remotekey_pressed){
earjack->remotekey_pressed = 0;
if (earjack->remotekey_index != 0)
input_report_key(earjack->ipdev, remotekey_type[earjack->remotekey_index].key_index, earjack->remotekey_pressed);
dbg("remote key: %s : %d->%d \n", remotekey_type[earjack->remotekey_index].key_name, !earjack->remotekey_pressed, earjack->remotekey_pressed);
input_sync(earjack->ipdev);
}
dbg("earjack_release \n");
}
earjack->hs_on = 0;
input_report_switch(earjack->ipdev, SW_HEADPHONE_INSERT,earjack->hs_on);
switch_set_state(&earjack->sdev, switch_state());
}
break;
}
default :
dbg("earjack_detect_func default.\n");
}
enable_irq(gpio_to_irq(EARJACK_DET));
wake_unlock(&earjack_wake_lock);
dbg_func_out();
return;
}
