static void pen_insert_work(struct work_struct *work)
{
struct wacom_i2c *wac_i2c =
container_of(work, struct wacom_i2c, pen_insert_dwork.work);
#ifdef WACOM_DEBOUNCEINT_BY_ESD
pen_insert_state = !gpio_get_value(wac_i2c->gpio_pen_insert);
#if defined(CONFIG_MACH_T0)
if (wac_i2c->invert_pen_insert)
pen_insert_state = !pen_insert_state;
#endif
if (wac_i2c->pen_insert == pen_insert_state) {
printk(KERN_DEBUG "[E-PEN] %s INT: (%d) was skipped\n",
__func__, wac_i2c->pen_insert);
#ifdef BATTERY_SAVING_MODE
if (wac_i2c->pen_insert) {
if (wac_i2c->battery_saving_mode)
wacom_i2c_disable(wac_i2c);
} else {
if (firmware_updating_state == true)
return;
printk(KERN_DEBUG "[E-PEN] %s call WACOM Reset\n",
__func__);
wac_i2c->wac_pdata->suspend_platform_hw();
msleep(200);
wacom_i2c_enable(wac_i2c);
}
#endif
return;
}
wac_i2c->pen_insert = pen_insert_state;
#else
wac_i2c->pen_insert = !gpio_get_value(wac_i2c->gpio_pen_insert);
#if defined(CONFIG_MACH_T0)
if (wac_i2c->invert_pen_insert)
wac_i2c->pen_insert = !wac_i2c->pen_insert;
#endif
#endif
printk(KERN_DEBUG "[E-PEN] %s : %d\n",
__func__, wac_i2c->pen_insert);
input_report_switch(wac_i2c->input_dev,
SW_PEN_INSERT, !wac_i2c->pen_insert);
input_sync(wac_i2c->input_dev);
#ifdef BATTERY_SAVING_MODE
if (wac_i2c->pen_insert) {
if (wac_i2c->battery_saving_mode)
wacom_i2c_disable(wac_i2c);
} else
wacom_i2c_enable(wac_i2c);
#endif
}
static void pen_insert_work(struct work_struct *work)
{
struct wacom_i2c *wac_i2c =
container_of(work, struct wacom_i2c, pen_insert_dwork.work);
if (wac_i2c->init_fail)
return;
wac_i2c->pen_insert = !gpio_get_value(wac_i2c->gpio_pen_insert);
dev_info(&wac_i2c->client->dev, "%s: pen %s\n",
__func__, wac_i2c->pen_insert ? "instert" : "remove");
input_report_switch(wac_i2c->input_dev,
SW_PEN_INSERT, !wac_i2c->pen_insert);
input_sync(wac_i2c->input_dev);
#ifdef BATTERY_SAVING_MODE
if (wac_i2c->pen_insert) {
if (wac_i2c->battery_saving_mode)
wacom_i2c_disable(wac_i2c);
} else {
wacom_i2c_enable(wac_i2c);
}
#endif
}
static void wacom_i2c_late_resume(struct early_suspend *h)
{
struct wacom_i2c *wac_i2c =
container_of(h, struct wacom_i2c, early_suspend);
printk(KERN_DEBUG "[E-PEN] %s.\n", __func__);
wacom_i2c_enable(wac_i2c);
}
static void wacom_i2c_late_resume(struct early_suspend *h)
{
struct wacom_i2c *wac_i2c =
container_of(h, struct wacom_i2c, early_suspend);
dev_info(&wac_i2c->client->dev,
"%s\n", __func__);
wacom_i2c_enable(wac_i2c);
}
static int wacom_i2c_input_open(struct input_dev *dev)
{
struct wacom_i2c *wac_i2c = input_get_drvdata(dev);
dev_info(&wac_i2c->client->dev,
"%s\n", __func__);
wacom_i2c_enable(wac_i2c);
wac_i2c->enabled = true;
return 0;
}
void touchscreen_pen_enable(void)
{
#ifdef TOUCHWAKE_DEBUG_PRINT
pr_info("[TOUCHWAKE] Wacom enable\n");
#endif
if (touchwake_pen_data != NULL)
wacom_i2c_enable(touchwake_pen_data);
return;
}
static void wac_statecheck_work(struct work_struct *work)
{
int ret, i;
char buf, test[10];
struct wacom_i2c *wac_i2c =
container_of(work, struct wacom_i2c, wac_statecheck_work.work);
buf = COM_QUERY;
printk(KERN_DEBUG "[E-PEN] %s\n", __func__);
if (firmware_updating_state == true)
return;
#ifdef BATTERY_SAVING_MODE
if (wac_i2c->battery_saving_mode
&& wac_i2c->pen_insert) {
printk(KERN_DEBUG "[E-PEN] escaped from wacom check mode\n");
printk(KERN_DEBUG " becase pen has inserted at lpm\n");
return;
}
#endif
#if defined(CONFIG_TARGET_LOCALE_KOR)
#if defined(CONFIG_MACH_T0) && defined(CONFIG_TDMB_ANT_DET)
ret = gpio_get_value(wac_i2c->wac_pdata->gpio_esd_check);
if (ret == 0) {
printk(KERN_DEBUG "[E-PEN] skip wacom state checking\n");
printk(KERN_DEBUG " becase ANT has closed\n");
schedule_delayed_work(&wac_i2c->wac_statecheck_work, HZ * 30);
return;
}
#endif
#endif
ret = wacom_i2c_send(wac_i2c, &buf, sizeof(buf), false);
if (ret > 0)
printk(KERN_INFO "[E-PEN] buf:%d, sent:%d\n", buf, ret);
else {
printk(KERN_ERR "[E-PEN] Digitizer is not active\n");
wac_i2c->wac_pdata->suspend_platform_hw();
msleep(200);
wacom_i2c_enable(wac_i2c);
printk(KERN_ERR "[E-PEN] wacom reset done\n");
}
schedule_delayed_work(&wac_i2c->wac_statecheck_work, HZ * 30);
}
static ssize_t epen_saving_mode_store(struct device *dev,
struct device_attribute *attr, const char *buf,
size_t count)
{
struct wacom_i2c *wac_i2c = dev_get_drvdata(dev);
int val;
if (sscanf(buf, "%u", &val) == 1)
wac_i2c->battery_saving_mode = !!val;
if (wac_i2c->battery_saving_mode) {
if (wac_i2c->pen_insert)
wacom_i2c_disable(wac_i2c);
} else
wacom_i2c_enable(wac_i2c);
return count;
}
static ssize_t epen_saving_mode_store(struct device *dev,
struct device_attribute *attr, const char *buf,
size_t count)
{
struct wacom_i2c *wac_i2c = dev_get_drvdata(dev);
int val;
if (sscanf(buf, "%u", &val) == 1)
wac_i2c->battery_saving_mode = !!val;
dev_info(&wac_i2c->client->dev, "%s: %s\n",
__func__, val ? "checked" : "unchecked");
if (wac_i2c->battery_saving_mode) {
if (wac_i2c->pen_insert)
wacom_i2c_disable(wac_i2c);
} else {
if (wac_i2c->enabled)
wacom_i2c_enable(wac_i2c);
}
return count;
}
