@@ -173,11 +173,9 @@ static void titsc_step_config(struct titsc *ts_dev)
titsc_writel(ts_dev, REG_STEPDELAY(i), STEPCONFIG_OPENDLY);
}
- /* Charge step configuration */
- config = ts_dev->bit_xp | ts_dev->bit_yn |
- STEPCHARGE_RFP_XPUL | STEPCHARGE_RFM_XNUR |
- STEPCHARGE_INM_AN1 | STEPCHARGE_INP(ts_dev->inp_yp);
+ /* Make CHARGECONFIG same as IDLECONFIG */
+ config = titsc_readl(ts_dev, REG_IDLECONFIG);
titsc_writel(ts_dev, REG_CHARGECONFIG, config);
titsc_writel(ts_dev, REG_CHARGEDELAY, CHARGEDLY_OPENDLY);
@@ -261,12 +259,34 @@ static irqreturn_t titsc_irq(int irq, void *dev)
{
struct titsc *ts_dev = dev;
struct input_dev *input_dev = ts_dev->input;
- unsigned int status, irqclr = 0;
+ unsigned int fsm, status, irqclr = 0;
unsigned int x = 0, y = 0;
unsigned int z1, z2, z;
- unsigned int fsm;
- status = titsc_readl(ts_dev, REG_IRQSTATUS);
+ status = titsc_readl(ts_dev, REG_RAWIRQSTATUS);
+ if (status & IRQENB_HW_PEN) {
+ ts_dev->pen_down = true;
+ titsc_writel(ts_dev, REG_IRQWAKEUP, 0x00);
+ titsc_writel(ts_dev, REG_IRQCLR, IRQENB_HW_PEN);
+ irqclr |= IRQENB_HW_PEN;
+ }
+
+ if (status & IRQENB_PENUP) {
+ fsm = titsc_readl(ts_dev, REG_ADCFSM);
+ if (fsm == ADCFSM_STEPID) {
+ ts_dev->pen_down = false;
+ input_report_key(input_dev, BTN_TOUCH, 0);
+ input_report_abs(input_dev, ABS_PRESSURE, 0);
+ input_sync(input_dev);
+ } else {
+ ts_dev->pen_down = true;
+ }
+ irqclr |= IRQENB_PENUP;
+ }
+
+ if (status & IRQENB_EOS)
+ irqclr |= IRQENB_EOS;
+
/*
* ADC and touchscreen share the IRQ line.
* FIFO1 interrupts are used by ADC. Handle FIFO0 IRQs here only
@@ -297,37 +317,11 @@ static irqreturn_t titsc_irq(int irq, void *dev)
}
irqclr |= IRQENB_FIFO0THRES;
}
-
- /*
- * Time for sequencer to settle, to read
- * correct state of the sequencer.
- */
- udelay(SEQ_SETTLE);
-
- status = titsc_readl(ts_dev, REG_RAWIRQSTATUS);
- if (status & IRQENB_PENUP) {
- /* Pen up event */
- fsm = titsc_readl(ts_dev, REG_ADCFSM);
- if (fsm == ADCFSM_STEPID) {
- ts_dev->pen_down = false;
- input_report_key(input_dev, BTN_TOUCH, 0);
- input_report_abs(input_dev, ABS_PRESSURE, 0);
- input_sync(input_dev);
- } else {
- ts_dev->pen_down = true;
- }
- irqclr |= IRQENB_PENUP;
- }
-
- if (status & IRQENB_HW_PEN) {
-
- titsc_writel(ts_dev, REG_IRQWAKEUP, 0x00);
- titsc_writel(ts_dev, REG_IRQCLR, IRQENB_HW_PEN);
- }
-
if (irqclr) {
titsc_writel(ts_dev, REG_IRQSTATUS, irqclr);
- am335x_tsc_se_set_cache(ts_dev->mfd_tscadc, ts_dev->step_mask);
+ if (status & IRQENB_EOS)
+ am335x_tsc_se_set_cache(ts_dev->mfd_tscadc,
+ ts_dev->step_mask);
return IRQ_HANDLED;
}
return IRQ_NONE;
@@ -417,6 +411,7 @@ static int titsc_probe(struct platform_device *pdev)
}
titsc_writel(ts_dev, REG_IRQENABLE, IRQENB_FIFO0THRES);
+ titsc_writel(ts_dev, REG_IRQENABLE, IRQENB_EOS);
err = titsc_config_wires(ts_dev);
if (err) {
dev_err(&pdev->dev, "wrong i/p wire configuration\n");
@@ -52,6 +52,7 @@
/* IRQ enable */
#define IRQENB_HW_PEN BIT(0)
+#define IRQENB_EOS BIT(1)
#define IRQENB_FIFO0THRES BIT(2)
#define IRQENB_FIFO0OVRRUN BIT(3)
#define IRQENB_FIFO0UNDRFLW BIT(4)
@@ -107,7 +108,7 @@
/* Charge delay */
#define CHARGEDLY_OPEN_MASK (0x3FFFF << 0)
#define CHARGEDLY_OPEN(val) ((val) << 0)
-#define CHARGEDLY_OPENDLY CHARGEDLY_OPEN(1)
+#define CHARGEDLY_OPENDLY CHARGEDLY_OPEN(0x400)
/* Control register */
#define CNTRLREG_TSCSSENB BIT(0)