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Input: usbtouchscreen - add support for ET&T TC5UH touchscreen controller 

This patch adds support for the ET&T TC5UH 5-wire USB touchscreen controller.
More info at http://www.etandt.com.tw/board_solution.html

Signed-off-by: Petr Štetiar <ynezz@true.cz>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
This commit is contained in:
Petr Štetiar 2009-11-29 23:37:07 -08:00 committed by Dmitry Torokhov
parent dadaae3777
commit dbe1420b4b
2 changed files with 34 additions and 0 deletions
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5
drivers/input/touchscreen/Kconfig
View File

@ -520,6 +520,11 @@ config TOUCHSCREEN_USB_ZYTRONIC
bool "Zytronic controller" if EMBEDDED
depends on TOUCHSCREEN_USB_COMPOSITE
config TOUCHSCREEN_USB_ETT_TC5UH
default y
bool "ET&T TC5UH touchscreen controler support" if EMBEDDED
depends on TOUCHSCREEN_USB_COMPOSITE
config TOUCHSCREEN_TOUCHIT213
tristate "Sahara TouchIT-213 touchscreen"
select SERIO

29
drivers/input/touchscreen/usbtouchscreen.c
View File

@ -132,6 +132,7 @@ enum {
DEVTYPE_JASTEC,
DEVTYPE_E2I,
DEVTYPE_ZYTRONIC,
DEVTYPE_TC5UH,
};
#define USB_DEVICE_HID_CLASS(vend, prod) \
@ -217,6 +218,10 @@ static struct usb_device_id usbtouch_devices[] = {
{USB_DEVICE(0x14c8, 0x0003), .driver_info = DEVTYPE_ZYTRONIC},
#endif
#ifdef CONFIG_TOUCHSCREEN_USB_ETT_TC5UH
{USB_DEVICE(0x0664, 0x0309), .driver_info = DEVTYPE_TC5UH},
#endif
{}
};
@ -554,6 +559,19 @@ static int irtouch_read_data(struct usbtouch_usb *dev, unsigned char *pkt)
}
#endif
/*****************************************************************************
* ET&T TC5UH part
*/
#ifdef CONFIG_TOUCHSCREEN_USB_ETT_TC5UH
static int tc5uh_read_data(struct usbtouch_usb *dev, unsigned char *pkt)
{
dev->x = ((pkt[2] & 0x0F) << 8) | pkt[1];
dev->y = ((pkt[4] & 0x0F) << 8) | pkt[3];
dev->touch = pkt[0] & 0x01;
return 1;
}
#endif
/*****************************************************************************
* IdealTEK URTC1000 Part
@ -844,6 +862,17 @@ static struct usbtouch_device_info usbtouch_dev_info[] = {
.irq_always = true,
},
#endif
#ifdef CONFIG_TOUCHSCREEN_USB_ETT_TC5UH
[DEVTYPE_TC5UH] = {
.min_xc = 0x0,
.max_xc = 0x0fff,
.min_yc = 0x0,
.max_yc = 0x0fff,
.rept_size = 5,
.read_data = tc5uh_read_data,
},
#endif
};