Input: usbtouchscreen - add support for GoTop tablet devices
Add support for GoTop Super_Q2/GogoPen/PenPower tablets to usbtouchscreen.
Protocol discovery was done by Yick Yan Lam.
Signed-off-by: Daniel Ritz <daniel.ritz@gmx.ch>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
diff --git a/drivers/input/touchscreen/usbtouchscreen.c b/drivers/input/touchscreen/usbtouchscreen.c
index 9fb3d5c3..f7d4a3b 100644
--- a/drivers/input/touchscreen/usbtouchscreen.c
+++ b/drivers/input/touchscreen/usbtouchscreen.c
@@ -11,8 +11,9 @@
* - DMC TSC-10/25
* - IRTOUCHSYSTEMS/UNITOP
* - IdealTEK URTC1000
+ * - GoTop Super_Q2/GogoPen/PenPower tablets
*
- * Copyright (C) 2004-2006 by Daniel Ritz <daniel.ritz@gmx.ch>
+ * Copyright (C) 2004-2007 by Daniel Ritz <daniel.ritz@gmx.ch>
* Copyright (C) by Todd E. Johnson (mtouchusb.c)
*
* This program is free software; you can redistribute it and/or
@@ -115,6 +116,7 @@
DEVTYPE_IRTOUCH,
DEVTYPE_IDEALTEK,
DEVTYPE_GENERAL_TOUCH,
+ DEVTYPE_GOTOP,
};
static struct usb_device_id usbtouch_devices[] = {
@@ -168,6 +170,12 @@
{USB_DEVICE(0x0dfc, 0x0001), .driver_info = DEVTYPE_GENERAL_TOUCH},
#endif
+#ifdef CONFIG_TOUCHSCREEN_USB_GOTOP
+ {USB_DEVICE(0x08f2, 0x007f), .driver_info = DEVTYPE_GOTOP},
+ {USB_DEVICE(0x08f2, 0x00ce), .driver_info = DEVTYPE_GOTOP},
+ {USB_DEVICE(0x08f2, 0x00f4), .driver_info = DEVTYPE_GOTOP},
+#endif
+
{}
};
@@ -501,6 +509,20 @@
#endif
/*****************************************************************************
+ * GoTop Part
+ */
+#ifdef CONFIG_TOUCHSCREEN_USB_GOTOP
+static int gotop_read_data(struct usbtouch_usb *dev, unsigned char *pkt)
+{
+ dev->x = ((pkt[1] & 0x38) << 4) | pkt[2];
+ dev->y = ((pkt[1] & 0x07) << 7) | pkt[3];
+ dev->touch = pkt[0] & 0x01;
+ return 1;
+}
+#endif
+
+
+/*****************************************************************************
* the different device descriptors
*/
static struct usbtouch_device_info usbtouch_dev_info[] = {
@@ -623,9 +645,19 @@
.max_yc = 0x0500,
.rept_size = 7,
.read_data = general_touch_read_data,
- }
+ },
#endif
+#ifdef CONFIG_TOUCHSCREEN_USB_GOTOP
+ [DEVTYPE_GOTOP] = {
+ .min_xc = 0x0,
+ .max_xc = 0x03ff,
+ .min_yc = 0x0,
+ .max_yc = 0x03ff,
+ .rept_size = 4,
+ .read_data = gotop_read_data,
+ },
+#endif
};