int switch_send_event(unsigned int bit, int on)
{
unsigned long state;
HS_DBG();
mutex_lock(&hi->mutex_lock);
state = switch_get_state(&hi->sdev_h2w);
state &= ~(bit);
if (on)
state |= bit;
switch_set_state(&hi->sdev_h2w, state);
mutex_unlock(&hi->mutex_lock);
return 0;
}
static int hds_remove(struct platform_device *pdev)
{
HDSI("Removing 3.5mm headset driver\n");
if (switch_get_state(&hi->sdev))
remove_headset();
input_unregister_device(hi->input);
if (hi->gpio_detect)
gpio_free(hi->gpio_detect);
if (hi->gpio_headset_mic) {
gpio_free(hi->gpio_headset_mic);
free_irq(hi->irq_btn_35mm, 0);
}
destroy_workqueue(g_detection_work_queue);
switch_dev_unregister(&hi->sdev);
return 0;
}
static void button_released(struct work_struct *work)
{
struct delayed_work *dwork = container_of(work, struct delayed_work, work);
struct hsd_info *hi = container_of(dwork, struct hsd_info, work_for_key_released);
//if (gpio_get_value_cansleep(hi->gpio_detect)){
if (gpio_get_value_cansleep(hi->gpio_detect) && (switch_get_state(&hi->sdev)== LGE_HEADSET)){
HSD_ERR("button_released but ear jack is plugged out already! just ignore the event.\n");
return;
}
HSD_DBG("button_released \n");
atomic_set(&hi->btn_state, 0);
input_report_key(hi->input, hi->key_code, 0);
input_sync(hi->input);
}
static ssize_t lge_hsd_print_name(struct switch_dev *sdev, char *buf)
{
switch (switch_get_state(sdev)) {
case NO_DEVICE:
return sprintf(buf, "No Device");
case LGE_HEADSET:
return sprintf(buf, "Headset");
case LGE_HEADSET_NO_MIC:
return sprintf(buf, "Headset");
/* return sprintf(buf, "Headset_no_mic\n"); */
}
return -EINVAL;
}
static void lid_switch_event(struct input_handle *handle, unsigned int type, unsigned int code, int value)
{
if (type == EV_SW && code == SW_TABLET_MODE )
{
printk(KERN_DEBUG "%s(%s): Event. Type: %d, Code: %d, Value: %d KEYPAD : %s \n",__FILE__, __FUNCTION__,
type, code, value , value ? "UNLOCKED":"LOCKED");
adp5588_data.update_config = value+1;
schedule_work(&adp5588_data.lock_work);
}
if (type == EV_SW && ((code == SW_TABLET_MODE) || (code == SW_LID)))
switch_set_state(&adp5588_data.sw_lid_dev,
(switch_get_state(&adp5588_data.sw_lid_dev) & ~(1<<code)) | ( value << code) );
}
/**********************************************************
** Function: Headset jack-in detection interrupt handler
** Parameter: dedicated irq
** Return value: if sucess, then returns IRQ_HANDLED
**
************************************************************/
static irqreturn_t detect_irq_handler(int irq, void *dev_id)
{
int value1, value2;
int retry_limit = 10;
do {
value1 = gpio_get_value(JACK_GPIO);
set_irq_type(hs_data->irq, value1 ?
IRQF_TRIGGER_FALLING : IRQF_TRIGGER_RISING);
value2 = gpio_get_value(JACK_GPIO);
} while (value1 != value2 && retry_limit-- > 0);
if ((switch_get_state(&hs_data->sdev) == NO_DEVICE) ^ value2)
hrtimer_start(&hs_data->timer, hs_data->debouncing_time, HRTIMER_MODE_REL);
return IRQ_HANDLED;
}
static void usb_headset_detect(int type)
{
int state_h2w = 0;
int state_usb = 0;
HS_DBG();
mutex_lock(&hi->mutex_lock);
state_h2w = switch_get_state(&hi->sdev_h2w);
switch (type) {
case USB_NO_HEADSET:
hi->usb_headset.type = USB_NO_HEADSET;
hi->usb_headset.status = STATUS_DISCONNECTED;
state_h2w &= ~MASK_USB_HEADSET;
state_usb = GOOGLE_USB_AUDIO_UNPLUG;
HS_LOG_TIME("Remove USB_HEADSET (state %d, %d)",
state_h2w, state_usb);
break;
case USB_AUDIO_OUT:
hi->usb_headset.type = USB_AUDIO_OUT;
hi->usb_headset.status = STATUS_CONNECTED_ENABLED;
state_h2w |= BIT_USB_AUDIO_OUT;
state_usb = GOOGLE_USB_AUDIO_ANLG;
HS_LOG_TIME("Insert USB_AUDIO_OUT (state %d, %d)",
state_h2w, state_usb);
break;
#ifdef CONFIG_SUPPORT_USB_SPEAKER
case USB_AUDIO_OUT_DGTL:
hi->usb_headset.type = USB_AUDIO_OUT;
hi->usb_headset.status = STATUS_CONNECTED_ENABLED;
state_h2w |= BIT_USB_AUDIO_OUT;
state_usb = GOOGLE_USB_AUDIO_DGTL;
HS_LOG_TIME("Insert USB_AUDIO_OUT DGTL (state %d, %d)",
state_h2w, state_usb);
break;
#endif
default:
HS_LOG("Unknown headset type");
}
switch_set_state(&hi->sdev_h2w, state_h2w);
switch_set_state(&hi->sdev_usb_audio, state_usb);
mutex_unlock(&hi->mutex_lock);
}
static int bu52014hfv_update(struct bu52014hfv_info *info, int gpio, int dock)
{
if (bu52014hfv_disable) {
if (switch_get_state(&info->sdev) != NO_DOCK) {
switch_set_state(&info->sdev, NO_DOCK);
}
return 0;
}
int state = !gpio_get_value(gpio);
if (state)
switch_set_state(&info->sdev, dock);
else
switch_set_state(&info->sdev, NO_DOCK);
return state;
}
static int htc_headset_mgr_remove(struct platform_device *pdev)
{
#if 0
if ((switch_get_state(&hi->sdev) & MASK_HEADSET) != 0)
remove_headset();
#endif
unregister_attributes();
input_unregister_device(hi->input);
destroy_workqueue(button_wq);
destroy_workqueue(detect_wq);
switch_dev_unregister(&hi->sdev);
mutex_destroy(&hi->mutex_lock);
wake_lock_destroy(&hi->hs_wake_lock);
kfree(hi);
return 0;
}
static ssize_t msm_flip_chatt_print_name(struct switch_dev *sdev, char *buf)
{
switch (switch_get_state(&hs->sdev_flip_chatt)) {
case MSM_OPEN:
return sprintf(buf, "OPEN\n");
case MSM_CLOSE:
return sprintf(buf, "CLOSE\n");
#ifdef SWIVEL_USE
case MSM_SWIVEL_CLOSE:
return sprintf(buf, "SWIVEL_CLOSE\n");
#endif
case MSM_OPEN_CHATT:
return sprintf(buf, "OPEN_CHATT\n");
case MSM_CLOSE_CHATT:
return sprintf(buf, "CLOSE_CHATT\n");
}
return -EINVAL;
}
static int simple_remote_remove(struct platform_device *pdev)
{
struct simple_remote_driver *jack = platform_get_drvdata(pdev);
if (switch_get_state(&jack->swdev)) {
jack->interface->unregister_hssd_button_interrupt(jack);
jack->interface->enable_mic_bias(0);
switch_set_state(&jack->swdev, NO_DEVICE);
}
jack->interface->unregister_plug_detect_interrupt(jack);
remove_sysfs_interfaces(&pdev->dev);
input_unregister_device(jack->indev_appkey);
input_unregister_device(jack->indev);
switch_dev_unregister(&jack->swdev);
kzfree(jack);
return 0;
}
static enum hrtimer_restart button_event_timer_func(struct hrtimer *data)
{
H2W_DBG("");
if (switch_get_state(&hi->sdev) == HTC_HEADSET) {
if (gpio_get_value(SAPPHIRE_GPIO_CABLE_IN2)) {
if (hi->ignore_btn)
hi->ignore_btn = 0;
else if (atomic_read(&hi->btn_state))
button_released();
} else {
if (!hi->ignore_btn && !atomic_read(&hi->btn_state))
button_pressed();
}
}
return HRTIMER_NORESTART;
}
static void htc_headset_mgr_late_resume(struct early_suspend *h)
{
int state = 0;
HS_DBG();
if (hi->quick_boot_status) {
mutex_lock(&hi->mutex_lock);
state = switch_get_state(&hi->sdev);
HS_LOG_TIME("Resend quick boot U-Event (state = %d)",
state | BIT_UNDEFINED);
switch_set_state(&hi->sdev, state | BIT_UNDEFINED);
HS_LOG_TIME("Resend quick boot U-Event (state = %d)", state);
switch_set_state(&hi->sdev, state);
hi->quick_boot_status = 0;
mutex_unlock(&hi->mutex_lock);
}
}
static ssize_t othc_headset_print_name(struct switch_dev *sdev, char *buf)
{
#if 0
switch (switch_get_state(sdev)) {
case OTHC_NO_DEVICE:
return sprintf(buf, "No Device\n");
case OTHC_HEADSET:
case OTHC_HEADPHONE:
case OTHC_MICROPHONE:
case OTHC_ANC_HEADSET:
case OTHC_ANC_HEADPHONE:
case OTHC_ANC_MICROPHONE:
return sprintf(buf, "Headset\n");
}
return -EINVAL;
#endif
return 0;
}
static ssize_t headset_name_show(struct switch_dev *sdev, char *buf)
{
switch (switch_get_state(&hs_data->sdev)){
case NO_DEVICE:
{
return sprintf(buf, "%s\n", "No Device");
}
case HEADSET_WITH_MIC:
{
return sprintf(buf, "%s\n", "HEADSET");
}
case HEADSET_WITHOUT_MIC:
{
return sprintf(buf, "%s\n", "HEADPHONE");
}
}
return -EINVAL;
}
static irqreturn_t detect_irq_handler(int irq, void *dev_id)
{
int value1, value2;
int retry_limit = 10;
do {
value1 = gpio_get_value(JACK_GPIO);
irq_set_irq_type(hs_data->hp_det_irq, value1 ?
IRQF_TRIGGER_FALLING : IRQF_TRIGGER_RISING);
value2 = gpio_get_value(JACK_GPIO);
}while (value1 != value2 && retry_limit-- > 0);
if ((switch_get_state(&hs_data->sdev) == NO_DEVICE) != (value2 == 1)) {
hs_data->btn_ignore = true;
queue_delayed_work(g_detection_work_queue, &g_detection_work,
msecs_to_jiffies(100));
}
return IRQ_HANDLED;
}
static ssize_t msm_headset_print_name(struct switch_dev *sdev, char *buf)
{
switch (switch_get_state(&hs->sdev)) {
#if 0
case NO_DEVICE:
return sprintf(buf, "No Device\n");
case MSM_HEADSET:
return sprintf(buf, "Headset\n");
#else
case NO_DEVICE:
return sprintf(buf, "NoDevice\n");
case MSM_HEADSET_MONO:
return sprintf(buf, "MonoHeadset\n");
case MSM_HEADSET_OTHER:
case MSM_HEADSET_STE:
return sprintf(buf, "StereoHeadset\n");
#endif
}
return -EINVAL;
}
static void remove_headset(void)
{
HDS_DBG("");
mutex_lock(&hi->mutex_lock);
switch_set_state(&hi->sdev, switch_get_state(&hi->sdev) &
~(BIT_HEADSET | BIT_HEADSET_NO_MIC));
mutex_unlock(&hi->mutex_lock);
if (hi->btn_11pin_35mm_flag) {
disable_irq(hi->irq_btn_35mm);
//turn_mic_bias_on(0);
hi->btn_11pin_35mm_flag = 0;
if (atomic_read(&hi->btn_state))
button_released();
}
HDS_DBG("removed 3.5mm headset\n");
hi->debounce_time = ktime_set(0, 100000000); /* 100 ms */
}
static irqreturn_t gpio_irq_handler(int irq, void *dev_id)
{
int value1, value2;
int retry_limit = 10;
value1 = gpio_get_value(hi->gpio);
do {
value2 = gpio_get_value(hi->gpio);
} while(retry_limit-- < 0);
if (value1 ^ value2)
return IRQ_HANDLED;
HSD_DBG("value2 = %d\n", value2);
if ((switch_get_state(&hi->sdev) ^ value2)) {
queue_work(hs_detect_work_queue, &hs_detect_work);
}
return IRQ_HANDLED;
}
static int trout_h2w_remove(struct platform_device *pdev)
{
H2W_DBG("");
if (switch_get_state(&hi->sdev))
remove_headset();
#ifdef FEATURE_AUD_HOOK_BTN
input_unregister_device(hi->input);
gpio_free(hi->cable_in2); /* FIH-SW2-MM-AY-TAP_headset_00 */
free_irq(hi->irq_btn, 0);
#endif
gpio_free(hi->cable_in1); /* FIH-SW2-MM-AY-TAP_headset_00 */
free_irq(hi->irq, 0);
destroy_workqueue(g_detection_work_queue);
switch_dev_unregister(&hi->sdev);
return 0;
}
static enum hrtimer_restart button_event_timer_func(struct hrtimer *data)
{
H2W_DBG("");
if (switch_get_state(&hi->sdev) == LGE_HEADSET
//kiwone, 2009.12.24, to fix bug
// 4 pole headset eject->button key is detected
&& (0 == gpio_get_value(hi->gpio_detect))
) {
if (!gpio_get_value(hi->gpio_button_detect)) {
if (hi->ignore_btn)
hi->ignore_btn = 0;
else if (atomic_read(&hi->btn_state))
button_released();
} else {
if (!hi->ignore_btn && !atomic_read(&hi->btn_state))
button_pressed();
}
}
return HRTIMER_NORESTART;
}
static void remove_headset(struct hsd_info *hi)
{
int has_mic = switch_get_state(&hi->sdev);
HSD_DBG("remove_headset\n");
if (atomic_read(&hi->is_3_pole_or_not) == 1)
spmi_write(0x80);
if (atomic_read(&hi->is_3_pole_or_not) == 0)
gpio_direction_output(hi->gpio_mic_en, 0);
atomic_set(&hi->is_3_pole_or_not, 1);
mutex_lock(&hi->mutex_lock);
switch_set_state(&hi->sdev, NO_DEVICE);
mutex_unlock(&hi->mutex_lock);
input_report_switch(hi->input, SW_HEADPHONE_INSERT, 0);
if (has_mic == LGE_HEADSET) {
input_report_switch(hi->input, SW_MICROPHONE_INSERT, 0);
#ifdef CONFIG_LGE_HEADSET_MIC_NOISE_WA
taiko_dec5_vol_mute();
#endif
}
input_sync(hi->input);
if (atomic_read(&hi->irq_key_enabled)) {
atomic_set(&hi->irq_key_enabled, FALSE);
}
if (atomic_read(&hi->btn_state))
#ifdef CONFIG_MAX1462X_USE_LOCAL_WORK_QUEUE
queue_delayed_work(local_max1462x_workqueue,
&(hi->work_for_key_released), hi->latency_for_key);
#else
schedule_delayed_work(&(hi->work_for_key_released),
hi->latency_for_key);
#endif
atomic_set(&hi->isdetect, FALSE);
}
static ssize_t switch_headset_print_state(struct switch_dev *sdev, char *buf)
{
struct gpio_switch_data *switch_data =
container_of(sdev, struct gpio_switch_data, sdev);
const char *state;
int stateValue = 0;
/*
if (switch_get_state(sdev))
state = switch_data->state_on;
else
state = switch_data->state_off;
if (state)
return sprintf(buf, "%s\n", state);
*/
stateValue = switch_get_state(sdev);
return sprintf(buf, "%d\n", stateValue);
return -1;
}
static void htc_headset_mgr_late_resume(struct early_suspend *h)
{
#ifdef HTC_HEADSET_CONFIG_QUICK_BOOT
int state = 0;
HS_DBG();
if (hi->quick_boot_status) {
mutex_lock(&hi->mutex_lock);
state = switch_get_state(&hi->sdev_h2w);
HS_LOG_TIME("Resend quick boot U-Event (state = %d)",
state | BIT_UNDEFINED);
switch_set_state(&hi->sdev_h2w, state | BIT_UNDEFINED);
HS_LOG_TIME("Resend quick boot U-Event (state = %d)", state);
switch_set_state(&hi->sdev_h2w, state);
hi->quick_boot_status = 0;
mutex_unlock(&hi->mutex_lock);
}
#else
HS_DBG();
#endif
}
static irqreturn_t gpio_irq_handler(int irq, void *dev_id)
{
struct hsd_info *hi = (struct hsd_info *) dev_id;
#if 0
int value = gpio_get_value_cansleep(hi->gpio_detect);
#endif
wake_lock_timeout(&ear_hook_wake_lock, 2 * HZ);
HSD_DBG("gpio_irq_handler");
#if 0
if ((switch_get_state(&hi->sdev) ^ !value)) { /* the detection status is inverted */
schedule_work(&(hi->work));
}
#else
#ifdef CONFIG_FSA8008_USE_LOCAL_WORK_QUEUE
#if 1 //def CONFIG_MACH_LGE_I_BOARD_DCM
queue_delayed_work(local_fsa8008_workqueue, &(hi->work), HZ/2 /* 500ms */);
#else
queue_delayed_work(local_fsa8008_workqueue, &(hi->work), 0);
#endif
#else
#if 1 //def CONFIG_MACH_LGE_I_BOARD_DCM
schedule_delayed_work(&(hi->work), HZ/2 /* 500ms */);
#else
schedule_delayed_work(&(hi->work), 0);
#endif
#endif
#endif
return IRQ_HANDLED;
}
static void hdmi_hpd_changed(struct hdmi_device *hdev, int state)
{
int ret;
#ifdef CONFIG_SEC_MHL_SUPPORT
u32 audio_info = 0;
#endif
if (state == switch_get_state(&hdev->hpd_switch))
return;
if (state) {
ret = edid_update(hdev);
if (ret == -ENODEV) {
dev_err(hdev->dev, "failed to update edid\n");
return;
}
hdev->dvi_mode = !edid_supports_hdmi(hdev);
hdev->cur_timings = edid_preferred_preset(hdev);
hdev->cur_conf = hdmi_timing2conf(&hdev->cur_timings);
}
switch_set_state(&hdev->hpd_switch, state);
dev_info(hdev->dev, "%s\n", state ? "plugged" : "unplugged");
#ifdef CONFIG_SEC_MHL_SUPPORT
if (state) {
/*Audio CH event*/
audio_info = edid_audio_informs(hdev);
pr_err("[HDMI] send audio_info :: %x\n", audio_info);
switch_set_state(&hdev->audio_ch_switch, (int)audio_info);
} else {
switch_set_state(&hdev->audio_ch_switch, -1);
}
#endif
}
static int htc_35mm_remove(struct platform_device *pdev)
{
H2W_DBG("");
if ((switch_get_state(&hi->sdev) &
(BIT_HEADSET | BIT_HEADSET_NO_MIC)) != 0)
remove_headset();
unregister_common_headset(hi);
input_unregister_device(hi->input);
if (hi->h2w_data) {
gpio_free(hi->h2w_data);
free_irq(hi->irq_btn, 0);
}
if (hi->cable_in1) {
gpio_free(hi->cable_in1);
free_irq(hi->irq, 0);
}
destroy_workqueue(detect_wq);
destroy_workqueue(button_wq);
switch_dev_unregister(&hi->sdev);
return 0;
}
static void hdmi_hpd_changed(struct hdmi_device *hdev, int state)
{
int ret;
if (state == switch_get_state(&hdev->hpd_switch))
return;
if (state) {
ret = edid_update(hdev);
if (ret == -ENODEV) {
dev_err(hdev->dev, "failed to update edid\n");
return;
}
hdev->dvi_mode = !edid_supports_hdmi(hdev);
hdev->cur_timings = edid_preferred_preset(hdev);
hdev->cur_conf = hdmi_timing2conf(&hdev->cur_timings);
}
switch_set_state(&hdev->hpd_switch, state);
dev_info(hdev->dev, "%s\n", state ? "plugged" : "unplugged");
}
static enum hrtimer_restart button_event_timer_func(struct hrtimer *data)
{
int headset_in =0;
int btn_down =0;
H2W_DBG("");
/* Low Detect, Fast Check*/
/* "button timer < headset detach timer" makes abnormal operation*/
headset_in = gpio_get_value(hi->gpio_detect)?0: 1;
/*Headset button - High Detect*/
//btn_down = gpio_get_value(hi->gpio_button_detect)?1 :0;
/*Headset button - LOW Detect*/
btn_down = gpio_get_value(hi->gpio_button_detect)?0 :1;
if(hi->ignore_btn){
H2W_DBG("ignore_btn");
return HRTIMER_NORESTART;
}
if ((switch_get_state(&hi->sdev) == BIT_HEADSET) && headset_in){
H2W_DBG(" headset in %d btn down %d",headset_in,btn_down);
if (btn_down){
if (!atomic_read(&hi->btn_state))
button_pressed();
} else {
if (atomic_read(&hi->btn_state))
button_released();
}
}
H2W_DBG(" No button event");
return HRTIMER_NORESTART;
}
static ssize_t fm_flag_store(struct device *dev,
struct device_attribute *attr, const char *buf, size_t count)
{
int state;
HS_DBG();
mutex_lock(&hi->mutex_lock);
state = switch_get_state(&hi->sdev_h2w);
state &= ~(BIT_FM_HEADSET | BIT_FM_SPEAKER);
if (count == (strlen("fm_headset") + 1) &&
strncmp(buf, "fm_headset", strlen("fm_headset")) == 0) {
hi->fm_flag = 1;
state |= BIT_FM_HEADSET;
HS_LOG("Enable FM HEADSET");
} else if (count == (strlen("fm_speaker") + 1) &&
strncmp(buf, "fm_speaker", strlen("fm_speaker")) == 0) {
hi->fm_flag = 2;
state |= BIT_FM_SPEAKER;
HS_LOG("Enable FM SPEAKER");
} else if (count == (strlen("disable") + 1) &&
strncmp(buf, "disable", strlen("disable")) == 0) {
hi->fm_flag = 0 ;
HS_LOG("Disable FM");
} else {
mutex_unlock(&hi->mutex_lock);
HS_LOG("Invalid FM argument");
return -EINVAL;
}
switch_set_state(&hi->sdev_h2w, state);
mutex_unlock(&hi->mutex_lock);
return count;
}