__raw_writel(val, mts->mx1ts_mem+reg );
}
+static inline void mx1ts_reg_clear_mask(struct mx1ts *mts , unsigned int reg, u32 mask)
+{
+ u32 val;
+ val = __raw_readl(mts->mx1ts_mem+reg);
+ val &= mask;
+ __raw_writel(val, mts->mx1ts_mem+reg );
+}
+
static inline void mx1ts_reg_write(struct mx1ts *mts, unsigned int reg, unsigned int val)
{
__raw_writel(val, mts->mx1ts_mem+reg);
- printk("mx1_touchscreen: zapisuji do : %p hodnotu %d\n",mts->mx1ts_mem+reg, val);
+ printk("<1> mx1_touchscreen: structura %p\n", mts);
+ printk("mx1_touchscreen: zapisuji do : %p hodnotu %x\n",mts->mx1ts_mem+reg, val);
}
return out;
}
+static inline void mx1ts_flush_fifo(struct mx1ts *mts)
+{
+ int i;
+ for (i = 0; i < 12; i++)
+ if (mx1ts_reg_read(mts, ASP_ISTATR) & (ASP_PFF | ASP_PDR))
+ mx1ts_reg_read(mts, ASP_PADFIFO);
+}
+
+static void mx1_ts_enable_auto_sample(struct mx1ts *mts)
+{
+ unsigned int value;
+
+ mx1ts_flush_fifo(mts);
+
+ value = mx1ts_reg_read(mts, ASP_ACNTLCR);
+
+ /* Set the mode to X then Y */
+ value &= ~ASP_MODE_MASK;
+ value |= ASP_MODE_ONLY_Y;
+
+ /* Enable auto zero. */
+ value |= ASP_AZE;
+
+ /* Enable auto sample. */
+ value |= ASP_AUTO;
+
+ /* Enable pen A/D. */
+ value |= ASP_PADE;
+ mx1ts_reg_write(mts, ASP_ACNTLCR, value);
+
+ /* Enable pen data ready and full interrupt. */
+ value = mx1ts_reg_read(mts, ASP_ICNTLR);
+ value |= ASP_PFFE | ASP_PDRE;
+ mx1ts_reg_write(mts, ASP_ICNTLR, value);
+}
+
+
static void mx1ts_disable_auto_sample(struct mx1ts *mts)
{
unsigned int value;
{
unsigned int value;
- /* Enable pen up interrupt. XXX: This feature is undocumented. */
+ /* Enable pen up interrupt. */
value = mx1ts_reg_read(mts, ASP_ICNTLR);
value &= ~ASP_PUIE;
mx1ts_reg_write(mts, ASP_ICNTLR, value);
}
-static inline void mx1ts_flush_fifo(struct mx1ts *mts)
-{
- int i;
- for (i = 0; i < 12; i++)
- if (mx1ts_reg_read(mts, ASP_ISTATR) & (ASP_PFF | ASP_PDR))
- mx1ts_reg_read(mts, ASP_PADFIFO);
-}
+
static void mx1ts_start_auto_calibration(struct mx1ts *mts)
{
/* Set the mode to X then Y */
value &= ~ASP_MODE_MASK;
- value |= ASP_MODE_ONLY_X;
+ /*value |= ASP_MODE_ONLY_X;*/
+ value |= ASP_MODE_ONLY_Y;
/* Enable auto zero. */
value |= ASP_AZE;
mx1ts_reg_write(mts, ASP_ICNTLR, value);
}
+static void mx1ts_reset_asp(struct mx1ts *mts)
+{
+ unsigned int value;
+
+ mx1ts_flush_fifo(mts);
+
+ /* Soft reset the ASP module */
+ mx1ts_reg_write(mts, ASP_ACNTLCR, ASP_SWRST);
+ /* Read back the reset value of the control register */
+ value = mx1ts_reg_read(mts, ASP_ACNTLCR);
+
+ /* Enable the clock and wait for a short while */
+ value |= ASP_CLKEN;
+ mx1ts_reg_write(mts, ASP_ACNTLCR, value);
+ udelay(100);
+
+ /* Set the value of the conrtol register. */
+ value = ASP_CLKEN | ASP_NM | ASP_SW6 | ASP_BGE;
+ mx1ts_reg_write(mts, ASP_ACNTLCR, value);
+
+ /* Set the clock divide ratio to 2. */
+ mx1ts_reg_write(mts, ASP_CLKDIV, 0x01);
+
+ /* Set the sample rate control register. These values should yield
+ * about 150 samples per second, which seems to give good smooth
+ * lines. */
+ value = (0x2 << ASP_DMCNT_SCALE) | /* Decimation ratio is 3 */
+ (0x1 << ASP_IDLECNT_SCALE) | /* Idle count is 1 clock */
+ (0x2 << ASP_DSCNT_SCALE); /* Data setup is 2 clocks */
+ mx1ts_reg_write(mts, ASP_PSMPLRG, value);
+
+ /* Disable the compare function. */
+ mx1ts_reg_write(mts, ASP_CMPCNTL, 0);
+}
+
static void mx1ts_evt_add(struct input_dev *idev, u8 p , u16 x, u16 y)
{
input_report_key(idev, BTN_TOUCH, p);
input_sync(idev);
}
-static irqreturn_t mx1ts_pendata_irq(int irq, void *dev_id)
+/*
+ * Handle the pen data ready interrupt, generated when pen data is
+ * in the FIFO.
+ */
+/*static irqreturn_t mx1ts_pendata_irq(int irq, void *dev_id)*/
+static irqreturn_t mx1ts_pendata_irq(int irq, struct mx1ts *mts)
{
- u16 auto_zero;
- u16 mx1ts_cal_auto_zero;
u16 mx1_cal_range_x;
u16 mx1_cal_range_y;
- u16 data;
+ static unsigned int auto_zero, pen_x, pen_y, pen_u;
+
+ /*struct mx1ts *mts = (struct mx1_ts *) dev_id;*/
+
mx1_cal_range_x = 1;
mx1_cal_range_y = 1;
-/* static unsigned int auto_zero, pen_x, pen_y, pen_u;*/
-
- struct mx1_ts *mts = (struct mx1_ts *) dev_id;
- /*printk("<1> mx1_touchscreen: mx1_pendata_irq interrupt recived from struct %p\n", mts);*/
-
- /*mx1ts_reg_write(mts, ASP_ICNTLR , ASP_PUIE | / ASP_EDGE |/ ASP_PIRQE);*/
-
- /*mx1ts_reg_set_mask(mts, ASP_ISTATR, ASP_PUIS);*/
-
- /*data = mx1ts_reg_read(mts, ASP_PADFIFO);*/
-
- /*mts->akt[mts->stav++] = data;*/
- /*printk("<1> mx1_touchscreen: FIFO data %i\n", data);*/
-
-
+/* printk("<1> mx1_touchscreen: mx1_pendata_irq interrupt recived from struct %p\n", mts);*/
+
if (mx1ts_reg_read(mts, ASP_ISTATR) & ASP_PUIS) {
mx1ts_reg_set_mask(mts, ASP_ISTATR, ASP_PUIS);
return IRQ_HANDLED;
}
+
+ /*mts->stav = 1;*/
+/* printk("mx1_touchscreen: moje pamet je : %p \n", mts->mx1ts_mem);*/
+
/*if (pmts->auto_calibration) {
unsigned int value;
return IRQ_HANDLED;
}*/
- u16 pen_x = mx1ts_reg_read(mts, ASP_PADFIFO);
- u16 pen_y = mx1ts_reg_read(mts, ASP_PADFIFO);
- u16 pen_u = mx1ts_reg_read(mts, ASP_PADFIFO);
+ pen_x = mx1ts_reg_read(mts, ASP_PADFIFO);
+ pen_y = mx1ts_reg_read(mts, ASP_PADFIFO);
+ pen_u = mx1ts_reg_read(mts, ASP_PADFIFO);
- pen_x = (u32)(((pen_x - mx1ts_cal_auto_zero) << 16) /
+ /*pen_x = (u32)(((pen_x - auto_zero) << 16) /
mx1_cal_range_x);
- pen_y = (u32)(((pen_y - mx1ts_cal_auto_zero) << 16) /
- mx1_cal_range_y);
+ pen_y = (u32)(((pen_y - auto_zero) << 16) /
+ mx1_cal_range_y);*/
- mx1ts_evt_add(mts, pen_u, pen_x, pen_y);
+ mx1ts_evt_add(mts, 1, pen_x, pen_y);
/*}*/
return IRQ_HANDLED;
}
static void mx1ts_pokus_zapnout(struct mx1ts *mts) {
mx1ts_reg_write(mts, ASP_CLKDIV, 0x1F); //clok divide register
- mx1ts_reg_write(mts, ASP_ICNTLR , ASP_PUIE | ASP_PDRE | ASP_PFFE |/* ASP_EDGE |*/ ASP_PIRQE); //interupt control register //0X00000833
+ mx1ts_reg_write(mts, ASP_ICNTLR , ASP_PUIE | ASP_PDRE | ASP_PFFE | ASP_EDGE | ASP_PIRQE); //interupt control register //0X00000833
mx1ts_reg_write(mts, ASP_PSMPLRG, 0x0000487F); //pen a/d sample rate control register
mx1ts_reg_write(mts,ASP_ACNTLCR, ASP_CLKEN | ASP_AZE | ASP_AUTO | (10<<12) | 3); //control register
+
}
static void mx1ts_enable_pen_up_irq(struct mx1ts *mts)
value = mx1ts_reg_read(mts, ASP_ICNTLR);
value |= ASP_PUIE;
mx1ts_reg_write(mts, ASP_ICNTLR, value);
- printk(KERN_ERR "Mely probehnout nejake zapisy.\n");
- printk(KERN_ERR "Na adresu %i\n",ASP_ICNTLR );
- printk(KERN_ERR "Hodnota %i\n",value );
}
+/*
+ * Handle the touch interrupt, generated when the pen is pressed/
+ * released.
+ */
+
static irqreturn_t mx1ts_touch_irq(int irq, void *dev_id)
{
struct mx1ts *mts = (struct mx1ts *) dev_id;
+ printk(KERN_ERR "Prijat touch irq \n");
+
/* Clear the interrupt. */
mx1ts_reg_set_mask(mts, ASP_ISTATR, ASP_PEN);
-// mx1ts_disable_pen_touch_interrupt();
-// mx1ts_start_auto_calibration();
-// mx1ts_enable_pen_up_irq(mts);
+ mx1ts_disable_pen_touch_interrupt(mts);
+ mx1ts_start_auto_calibration(mts);
+ mx1ts_enable_pen_up_interrupt(mts);
+
return IRQ_HANDLED;
}
static int mx1ts_on(struct mx1ts *mts)
{
int ret = 0;
-/* int err; //k check_region*/
if(!request_mem_region(ASP_BASE_ADDR, 0x38 , "mx1ts")) {
- printk(KERN_ERR "mx1ts: request_mem_region \tFAILED\n");
+ printk(KERN_ERR "mx1ts: request_mem_region \tFAILED\n");
+ return -1;
}
printk("<1>mx1ts: request_mem_region \tOK\n");
mts->mx1ts_mem = ioremap ( ASP_BASE_ADDR, 0x38);
printk("<1>mx1ts: memory remaped on %p \n", mts->mx1ts_mem);
- //mx1ts_reset_asp();
+
+
printk("<1>mx1ts: enabling irqs\n");
if ((ret = mx1ts_enable_irqs(mts)))
return ret;
printk("<1>mx1ts: irqs enabled \tOK\n");
- mx1ts_pokus_zapnout(mts);
- printk("<1>mx1ts: vypada ze zapisy probehly\n");
-
- //mx1ts_evt_add(mts->ts_idev, 1, 2,3);
-
+
+ mx1ts_reset_asp(mts);
+ printk("<1>mx1ts: reset\tOK\n");
+
+ mx1ts_enable_pen_touch_interrupt(mts);
+ printk("<1>mx1ts: zapnuti touch interrupt\n");
return 0;
}
-static int mx1ts_close(struct platform_dev *dev)
+static int mx1ts_close(struct platform_device *dev)
{
return 0;
}
-static int mx1ts_open(struct platform_dev *dev)
+static int mx1ts_open(struct platform_device *dev)
{
return 0;
}
// err_free_irq:
// free_irq(ucb->irq, ucb);
err_free_devs:
+ printk("<1> mx1ts: chyba pri nastavovani irq \n");
input_free_device(idev);
kfree(mts);
return error;
projects / mx1ts.git / commitdiff