HI Guys,
Yes, I have no problem in porting android on real target, did u apply a
patch for touch screen which is needed?
if not , kindly do changes to these two files, u r touchscreen problem will
be solved.
====================================================================
,diff -ur linux-2.6.22/drivers/input/touchscreen/mxc_ts.c
linux-2.6.22/drivers/input/touchscreen/mxc_ts.c
--- linux-2.6.22/drivers/input/touchscreen/mxc_ts.c 2008-06-02
20:40:12.000000000 +0900
+++ linux-2.6.22.android/drivers/input/touchscreen/mxc_ts.c 2008-06-17
18:49:28.000000000 +0900
@@ -38,6 +38,15 @@
#define MXC_TS_NAME "mxc_ts"
+#define X_AXIS_MAX 1000
+#define X_AXIS_MIN 80
+#define Y_AXIS_MAX 1000
+#define Y_AXIS_MIN 80
+#define PRESSURE_MAX 1
+#define PRESSURE_MIN 0
static struct input_dev *mxc_inputdev = NULL;
static u32 input_ts_installed;
@@ -50,15 +59,39 @@
try_to_freeze();
memset(&ts_sample, 0, sizeof(t_touch_screen));
pmic_adc_get_touch_sample(&ts_sample, !wait);
-
+#if 1
+ if((ts_sample.x_position >= X_AXIS_MIN) &&
+ (ts_sample.x_position <= X_AXIS_MAX) &&
+ (ts_sample.y_position >= Y_AXIS_MIN) &&
+ (ts_sample.y_position <= Y_AXIS_MAX)) {
+
+ input_report_abs(mxc_inputdev, ABS_X,
ts_sample.x_position);
+ input_report_abs(mxc_inputdev, ABS_Y,
ts_sample.y_position);
+ input_report_abs(mxc_inputdev, ABS_PRESSURE,
+ ts_sample.contact_resistance);
+
+ input_report_key(mxc_inputdev,BTN_TOUCH,1);
+ }
+ else {
+ input_report_key(mxc_inputdev,BTN_TOUCH,0);
+ }
+ input_sync(mxc_inputdev);
+
+ wait = ts_sample.contact_resistance;
+ msleep(20);
+#else
input_report_abs(mxc_inputdev, ABS_X, ts_sample.x_position);
input_report_abs(mxc_inputdev, ABS_Y, ts_sample.y_position);
input_report_abs(mxc_inputdev, ABS_PRESSURE,
ts_sample.contact_resistance);
+
input_sync(mxc_inputdev);
wait = ts_sample.contact_resistance;
msleep(20);
+#endif
}
return 0;
@@ -77,6 +110,12 @@
mxc_inputdev->evbit[0] = BIT(EV_KEY) | BIT(EV_ABS);
mxc_inputdev->keybit[LONG(BTN_TOUCH)] |= BIT(BTN_TOUCH);
mxc_inputdev->absbit[0] = BIT(ABS_X) | BIT(ABS_Y) |
BIT(ABS_PRESSURE);
+ input_set_abs_params(mxc_inputdev,ABS_X,X_AXIS_MIN,X_AXIS_MAX,0,0);
+ input_set_abs_params(mxc_inputdev,ABS_Y,Y_AXIS_MIN,Y_AXIS_MAX,0,0);
+
input_set_abs_params(mxc_inputdev,ABS_PRESSURE,PRESSURE_MIN,PRESSURE_MAX,0,0);
input_register_device(mxc_inputdev);
input_ts_installed = 1;
=======================================================================
BTW I found ipu had some problem.following image is fix image.
diff -ur linux-2.6.22/drivers/mxc/ipu/ipu_common.c
linux-2.6.22/drivers/mxc/ipu/ipu_common.c
--- linux-2.6.22/drivers/mxc/ipu/ipu_common.c 2008-06-02
20:40:13.000000000 +0900
+++ linux-2.6.22.android/drivers/mxc/ipu/ipu_common.c 2008-06-17
18:49:40.000000000 +0900
@@ -588,23 +587,28 @@
if (dma_chan == IDMA_CHAN_INVALID)
return -EINVAL;
-
spin_lock_irqsave(&ipu_lock, lock_flags);
if (bufNum == 0) {
reg = __raw_readl(IPU_CHA_BUF0_RDY);
+#if 0
if (reg & (1UL << dma_chan)) {
spin_unlock_irqrestore(&ipu_lock, lock_flags);
return -EACCES;
}
+#endif
__raw_writel(DMAParamAddr(dma_chan) + 0x0008UL,
IPU_IMA_ADDR);
__raw_writel(phyaddr, IPU_IMA_DATA);
} else {
reg = __raw_readl(IPU_CHA_BUF1_RDY);
+#if 0
if (reg & (1UL << dma_chan)) {
spin_unlock_irqrestore(&ipu_lock, lock_flags);
return -EACCES;
}
+#endif
__raw_writel(DMAParamAddr(dma_chan) + 0x0009UL,
IPU_IMA_ADDR);
__raw_writel(phyaddr, IPU_IMA_DATA);
}
@@ -1139,7 +1143,15 @@
if (wait_for_stop && channel != MEM_SDC_FG && channel != MEM_SDC_BG)
{
timeout = 40;
while ((__raw_readl(IDMAC_CHA_BUSY) & chan_mask) ||
+#if 0
(_ipu_channel_status(channel) == TASK_STAT_ACTIVE)) {
+#else
+ (_ipu_channel_status(channel) == TASK_STAT_ACTIVE) ||
+ __raw_readl(IPU_CHA_BUF0_RDY) & (1UL << out_dma) ||
+ __raw_readl(IPU_CHA_BUF0_RDY) & (1UL << out_dma))
+ {
+#endif
timeout--;
msleep(10);
Thanks & Regards,
Rajesh N
On Wed, Mar 18, 2009 at 4:38 PM, Consy - Leong Wen Xin <
[email protected]> wrote:
> Hi Rajesh,
>
> Thanks for the quick reply.
> I checked on the Debug output:
>
> Pressed on 398,673 :
> /dev/input/event1: 0003 0000 0000018e
> /dev/input/event1: 0003 0001 000002a1
> /dev/input/event1: 0000 0000 00000000
> /dev/input/event1: 0001 014a 00000000
> /dev/input/event1: 0000 0000 00000000
>
> Well input is accepted, but no respond from the GUI. Apart from the MENU
> ICON faded, which causes me unable to enter/exit the menu with "Enter
> button" on IMX board.
> Reason the MENU ICON fade is cause by:
>
> input_report_key(mxc_inputdev,BTN_TOUCH,X)
>
> If I excluded that on compile. Although MENU ICON doesn't fade on screen
> touch, still GUI not respond on touched point.
> Did you get the touch screen working completely? Can you please give me
> more information?
>
> Thank you.
>
> Best Regards,
> Justin
>
> On Wed, Mar 18, 2009 at 10:12 AM, Rajesh N <[email protected]>wrote:
>
>> Hi Justin,
>>
>> just check the touchscreen events with "getevent" command, this will show
>> cross ponding values for touchscreen events and key pressed events.
>>
>> Yes, X and Y coordinates are inverted in i.MX31 board, solve that problem
>> by subtracting 1000 from X coordinate values obtained , this will solve u r
>> problem.
>>
>> Thanks,
>> Rajesh N
>>
>> On Wed, Mar 18, 2009 at 3:35 PM, Justin <[email protected]> wrote:
>>
>>>
>>> Hail to all experts,
>>>
>>> I'm trying to get the touch screen working on IMX31 3 stack boards. At
>>> "kernel/drivers/input/touchscreen/mxc_ts.c" placed printf to test the
>>> touchscreen respond/coordinate input.
>>>
>>> Well I notice the output x-coor is inverted, everything else looks
>>> fine.
>>> Kernel is reading the input, but not the Android OS.
>>>
>>> I tried the suggestion of:
>>>
>>> http://groups.google.com/group/android-porting/browse_thread/thread/c6db7f339164dafa/3963e322a65ad5e6?lnk=gst&q=Touchscreen#3963e322a65ad5e6
>>>
>>> I sees logcat: "D/InputManagerService( 1655): hide the small icon for
>>> the input method" on the 1st time I touched the screen. After that
>>> there isnt any event nor logcat output on the screen touch.
>>>
>>> Can anyone please give me some clue?
>>>
>>> Thank you.
>>>
>>> Best Regards,
>>> Justin
>>>
>>>
>>
>>
>> --
>> Best Regards,
>> Rajesh N
>>
>>
>>
>>
>
> >
>
--
Best Regards,
Rajesh N
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