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>
diff --git a/drivers/input/touchscreen/Kconfig b/drivers/input/touchscreen/Kconfig
index acf0089..32fc8ba 100644
--- a/drivers/input/touchscreen/Kconfig
+++ b/drivers/input/touchscreen/Kconfig
@@ -520,6 +520,11 @@
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 4474e23..09a5e73 100644
--- a/drivers/input/touchscreen/usbtouchscreen.c
+++ b/drivers/input/touchscreen/usbtouchscreen.c
@@ -132,6 +132,7 @@
DEVTYPE_JASTEC,
DEVTYPE_E2I,
DEVTYPE_ZYTRONIC,
+ DEVTYPE_TC5UH,
};
#define USB_DEVICE_HID_CLASS(vend, prod) \
@@ -217,6 +218,10 @@
{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 @@
}
#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 @@
.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
};