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

Commit Message

Petr Štetiar Nov. 28, 2009, 10:54 a.m. UTC

None

Patch

diff --git a/drivers/input/touchscreen/Kconfig b/drivers/input/touchscreen/Kconfig
index 8cc453c..a3ba9e1 100644
--- a/drivers/input/touchscreen/Kconfig
+++ b/drivers/input/touchscreen/Kconfig
@@ -490,6 +490,11 @@  config TOUCHSCREEN_USB_E2I
 	bool "e2i Touchscreen controller (e.g. from Mimo 740)"
 	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 68ece58..e3ab3f1 100644
--- a/drivers/input/touchscreen/usbtouchscreen.c
+++ b/drivers/input/touchscreen/usbtouchscreen.c
@@ -121,6 +121,7 @@  enum {
 	DEVTYPE_GOTOP,
 	DEVTYPE_JASTEC,
 	DEVTYPE_E2I,
+	DEVTYPE_TC5UH,
 };
 
 #define USB_DEVICE_HID_CLASS(vend, prod) \
@@ -201,6 +202,11 @@  static struct usb_device_id usbtouch_devices[] = {
 #ifdef CONFIG_TOUCHSCREEN_USB_E2I
 	{USB_DEVICE(0x1ac7, 0x0001), .driver_info = DEVTYPE_E2I},
 #endif
+
+#ifdef CONFIG_TOUCHSCREEN_USB_ETT_TC5UH
+	{USB_DEVICE(0x0664, 0x0309), .driver_info = DEVTYPE_TC5UH},
+#endif
+
 	{}
 };
 
@@ -621,6 +627,19 @@  static int jastec_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
 
 /*****************************************************************************
  * the different device descriptors
@@ -783,6 +802,17 @@  static struct usbtouch_device_info usbtouch_dev_info[] = {
 		.read_data	= e2i_read_data,
 	},
 #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
 };