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authorPetr Štetiar <ynezz@true.cz>2009-11-29 23:37:07 -0800
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2009-11-29 23:38:01 -0800
commitdbe1420b4ba398feef035f7cd8181ec2e492228b (patch)
treec300be7bc9a3da8ece5dcefd1a9dbc077f9423aa /drivers/input/touchscreen
parentdadaae3777cbc1d747d5fd97c3eac94eb9f1a85b (diff)
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>
Diffstat (limited to 'drivers/input/touchscreen')
-rw-r--r--drivers/input/touchscreen/Kconfig5
-rw-r--r--drivers/input/touchscreen/usbtouchscreen.c29
2 files changed, 34 insertions, 0 deletions
diff --git a/drivers/input/touchscreen/Kconfig b/drivers/input/touchscreen/Kconfig
index acf00896f48..32fc8ba039a 100644
--- a/drivers/input/touchscreen/Kconfig
+++ b/drivers/input/touchscreen/Kconfig
@@ -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
diff --git a/drivers/input/touchscreen/usbtouchscreen.c b/drivers/input/touchscreen/usbtouchscreen.c
index 4474e2339f4..09a5e7341bd 100644
--- a/drivers/input/touchscreen/usbtouchscreen.c
+++ b/drivers/input/touchscreen/usbtouchscreen.c
@@ -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
};