static irqreturn_t wacom_interrupt_pdct(int irq, void *dev_id)
{
struct wacom_i2c *wac_i2c = dev_id;
if (wac_i2c->query_status == false)
return IRQ_HANDLED;
wac_i2c->pen_pdct = gpio_get_value(wac_i2c->wac_pdata->gpio_pen_pdct);
dev_info(&wac_i2c->client->dev, "%s: pdct %d(%d) [%s]\n",
__func__, wac_i2c->pen_pdct, wac_i2c->pen_prox,
wac_i2c->pen_pdct ? "Released" : "Pressed");
#ifdef CONFIG_TOUCH_WAKE
if (touchwake_is_active() && !wac_i2c->pen_pdct) {
#ifdef TOUCHWAKE_DEBUG_PRINT
pr_info("[TOUCHWAKE] Wacom Pen pressed\n");
#endif
touch_press(); // Yank555.lu - Screen touched by pen
}
#endif
#if 0
if (wac_i2c->pen_pdct == PDCT_NOSIGNAL) {
/* If rdy is 1, pen is still working*/
if (wac_i2c->pen_prox == 0)
forced_release(wac_i2c);
} else if (wac_i2c->pen_prox == 0)
forced_hover(wac_i2c);
#endif
return IRQ_HANDLED;
}
static irqreturn_t wacom_interrupt_pdct(int irq, void *dev_id)
{
struct wacom_i2c *wac_i2c = dev_id;
if (wac_i2c->query_status == false)
return IRQ_HANDLED;
wac_i2c->pen_pdct = gpio_get_value(wac_i2c->wac_pdata->gpio_pendct);
printk(KERN_DEBUG "[E-PEN] pdct %d(%d)\n",
wac_i2c->pen_pdct, wac_i2c->pen_prox);
if (wac_i2c->pen_pdct == PDCT_NOSIGNAL) {
#ifdef WACOM_DISCARD_EVENT_ON_EDGE
/* on edge, pen_prox can be zero even if hover event is released. */
if (wac_i2c->rdy_pdct == true && wac_i2c->pen_prox == 0)
forced_release(wac_i2c);
#else
/* If rdy is 1, pen is still working*/
if (wac_i2c->pen_prox == 0)
forced_release(wac_i2c);
#endif
} else if (wac_i2c->pen_prox == 0)
forced_hover(wac_i2c);
return IRQ_HANDLED;
}
static irqreturn_t wacom_interrupt_pdct(int irq, void *dev_id)
{
struct wacom_i2c *wac_i2c = dev_id;
wac_i2c->pen_pdct = gpio_get_value(wac_i2c->wac_pdata->gpio_pendct);
printk(KERN_DEBUG "[E-PEN] pdct %d(%d)\n",
wac_i2c->pen_pdct, wac_i2c->pen_prox);
if (wac_i2c->pen_pdct == PDCT_NOSIGNAL) {
/* If rdy is 1, pen is still working*/
if (wac_i2c->pen_prox == 0)
forced_release(wac_i2c);
} else if (wac_i2c->pen_prox == 0)
forced_hover(wac_i2c);
return IRQ_HANDLED;
}
static irqreturn_t wacom_interrupt_pdct(int irq, void *dev_id)
{
struct wacom_i2c *wac_i2c = dev_id;
if (wac_i2c->query_status == false)
return IRQ_HANDLED;
wac_i2c->pen_pdct = gpio_get_value(wac_i2c->wac_pdata->gpio_pen_pdct);
dev_info(&wac_i2c->client->dev, "%s: pdct %d(%d) [%s]\n",
__func__, wac_i2c->pen_pdct, wac_i2c->pen_prox,
wac_i2c->pen_pdct ? "Released" : "Pressed");
#if 0
if (wac_i2c->pen_pdct == PDCT_NOSIGNAL) {
/* If rdy is 1, pen is still working*/
if (wac_i2c->pen_prox == 0)
forced_release(wac_i2c);
} else if (wac_i2c->pen_prox == 0)
forced_hover(wac_i2c);
#endif
return IRQ_HANDLED;
}
int wacom_i2c_coord(struct wacom_i2c *wac_i2c)
{
bool prox = false;
int ret = 0;
u8 *data;
int rubber, stylus;
static u16 x, y, pressure;
static u16 tmp;
int rdy = 0;
#ifdef WACOM_IRQ_WORK_AROUND
cancel_delayed_work(&wac_i2c->pendct_dwork);
#endif
data = wac_i2c->wac_feature->data;
ret = i2c_master_recv(wac_i2c->client, data, COM_COORD_NUM);
if (ret < 0) {
printk(KERN_ERR "[E-PEN] %s failed to read i2c.L%d\n", __func__,
__LINE__);
return -1;
}
#if defined(CONFIG_SAMSUNG_KERNEL_DEBUG_USER)
pr_debug("[E-PEN] %x, %x, %x, %x, %x, %x, %x\n",
data[0], data[1], data[2], data[3], data[4], data[5], data[6]);
#endif
if (data[0] & 0x80) {
/* enable emr device */
if (!wac_i2c->pen_prox) {
wac_i2c->pen_prox = 1;
if (data[0] & 0x40)
wac_i2c->tool = BTN_TOOL_RUBBER;
else
wac_i2c->tool = BTN_TOOL_PEN;
#if defined(CONFIG_SAMSUNG_KERNEL_DEBUG_USER)
pr_debug("[E-PEN] is in(%d)\n", wac_i2c->tool);
#endif
}
prox = !!(data[0] & 0x10);
stylus = !!(data[0] & 0x20);
rubber = !!(data[0] & 0x40);
rdy = !!(data[0] & 0x80);
x = ((u16) data[1] << 8) + (u16) data[2];
y = ((u16) data[3] << 8) + (u16) data[4];
pressure = ((u16) data[5] << 8) + (u16) data[6];
#ifdef WACOM_IMPORT_FW_ALGO
/* Change Position to Active Area */
if (x <= origin_offset[0])
x = 0;
else
x = x - origin_offset[0];
if (y <= origin_offset[1])
y = 0;
else
y = y - origin_offset[1];
#ifdef COOR_WORK_AROUND
wacom_i2c_coord_offset(&x, &y);
wacom_i2c_coord_average(&x, &y, rdy);
#endif
#endif
if (wac_i2c->wac_pdata->x_invert)
x = wac_i2c->wac_feature->x_max - x;
if (wac_i2c->wac_pdata->y_invert)
y = wac_i2c->wac_feature->y_max - y;
if (wac_i2c->wac_pdata->xy_switch) {
tmp = x;
x = y;
y = tmp;
}
#ifdef COOR_WORK_AROUND
/* Add offset */
x = x + tilt_offsetX[user_hand][screen_rotate];
y = y + tilt_offsetY[user_hand][screen_rotate];
#endif
if (wacom_i2c_coord_range(&x, &y)) {
input_report_abs(wac_i2c->input_dev, ABS_X, x);
input_report_abs(wac_i2c->input_dev, ABS_Y, y);
input_report_abs(wac_i2c->input_dev,
ABS_PRESSURE, pressure);
input_report_key(wac_i2c->input_dev,
BTN_STYLUS, stylus);
input_report_key(wac_i2c->input_dev, BTN_TOUCH, prox);
input_report_key(wac_i2c->input_dev, wac_i2c->tool, 1);
input_sync(wac_i2c->input_dev);
if (prox && !wac_i2c->pen_pressed) {
#ifdef CONFIG_SEC_TOUCHSCREEN_DVFS_LOCK
set_dvfs_lock(wac_i2c, true);
#endif
#if defined(CONFIG_SAMSUNG_KERNEL_DEBUG_USER)
printk(KERN_DEBUG
"[E-PEN] is pressed(%d,%d,%d)(%d)\n",
x, y, pressure, wac_i2c->tool);
#else
printk(KERN_DEBUG "[E-PEN] pressed\n");
#endif
} else if (!prox && wac_i2c->pen_pressed) {
#ifdef CONFIG_SEC_TOUCHSCREEN_DVFS_LOCK
set_dvfs_lock(wac_i2c, false);
#endif
#if defined(CONFIG_SAMSUNG_KERNEL_DEBUG_USER)
printk(KERN_DEBUG
"[E-PEN] is released(%d,%d,%d)(%d)\n",
x, y, pressure, wac_i2c->tool);
#else
printk(KERN_DEBUG "[E-PEN] released\n");
#endif
}
wac_i2c->pen_pressed = prox;
if (stylus && !wac_i2c->side_pressed)
printk(KERN_DEBUG "[E-PEN] side on\n");
else if (!stylus && wac_i2c->side_pressed)
printk(KERN_DEBUG "[E-PEN] side off\n");
wac_i2c->side_pressed = stylus;
}
#if defined(CONFIG_SAMSUNG_KERNEL_DEBUG_USER)
else
printk(KERN_DEBUG "[E-PEN] raw data x=0x%x, y=0x%x\n",
x, y);
#endif
} else {
#ifdef WACOM_IRQ_WORK_AROUND
if (!gpio_get_value(wac_i2c->wac_pdata->gpio_pendct)) {
x = ((u16) data[1] << 8) + (u16) data[2];
y = ((u16) data[3] << 8) + (u16) data[4];
if (data[0] & 0x40)
wac_i2c->tool = BTN_TOOL_RUBBER;
else
wac_i2c->tool = BTN_TOOL_PEN;
input_report_abs(wac_i2c->input_dev, ABS_X, x);
input_report_abs(wac_i2c->input_dev, ABS_Y, y);
input_report_abs(wac_i2c->input_dev, ABS_PRESSURE, 0);
input_report_key(wac_i2c->input_dev, BTN_STYLUS, 0);
input_report_key(wac_i2c->input_dev, BTN_TOUCH, 0);
input_report_key(wac_i2c->input_dev, wac_i2c->tool, 1);
input_sync(wac_i2c->input_dev);
}
schedule_delayed_work(&wac_i2c->pendct_dwork, HZ / 10);
return 0;
#else /* WACOM_IRQ_WORK_AROUND */
#ifdef COOR_WORK_AROUND
/* enable emr device */
wacom_i2c_coord_average(0, 0, 0);
#endif
#ifdef WACOM_PDCT_WORK_AROUND
if (wac_i2c->pen_pdct == PDCT_DETECT_PEN)
forced_hover(wac_i2c);
else
#endif
if (wac_i2c->pen_prox) {
/* input_report_abs(wac->input_dev,
ABS_X, x); */
/* input_report_abs(wac->input_dev,
ABS_Y, y); */
input_report_abs(wac_i2c->input_dev, ABS_PRESSURE, 0);
input_report_key(wac_i2c->input_dev, BTN_STYLUS, 0);
input_report_key(wac_i2c->input_dev, BTN_TOUCH, 0);
#if defined(WACOM_PDCT_WORK_AROUND)
input_report_key(wac_i2c->input_dev,
BTN_TOOL_RUBBER, 0);
input_report_key(wac_i2c->input_dev, BTN_TOOL_PEN, 0);
#else
input_report_key(wac_i2c->input_dev, wac_i2c->tool, 0);
#endif
input_sync(wac_i2c->input_dev);
printk(KERN_DEBUG "[E-PEN] is out");
}
wac_i2c->pen_prox = 0;
wac_i2c->pen_pressed = 0;
wac_i2c->side_pressed = 0;
#ifdef CONFIG_SEC_TOUCHSCREEN_DVFS_LOCK
set_dvfs_lock(wac_i2c, false);
#endif
#endif
}
return 0;
}
