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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>
This commit is contained in:
Jerrold Jones 2007-10-22 00:59:47 -04:00 committed by Dmitry Torokhov
parent 858711c55f
commit 14e4020630
2 changed files with 40 additions and 2 deletions
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6
drivers/input/touchscreen/Kconfig
View File

@ -202,6 +202,7 @@ config TOUCHSCREEN_USB_COMPOSITE
- DMC TSC-10/25
- IRTOUCHSYSTEMS/UNITOP
- IdealTEK URTC1000
- GoTop Super_Q2/GogoPen/PenPower tablets
Have a look at <http://linux.chapter7.ch/touchkit/> for
a usage description and the required user-space stuff.
@ -259,4 +260,9 @@ config TOUCHSCREEN_USB_GENERAL_TOUCH
bool "GeneralTouch Touchscreen device support" if EMBEDDED
depends on TOUCHSCREEN_USB_COMPOSITE
config TOUCHSCREEN_USB_GOTOP
default y
bool "GoTop Super_Q2/GogoPen/PenPower tablet device support" if EMBEDDED
depends on TOUCHSCREEN_USB_COMPOSITE
endif

36
drivers/input/touchscreen/usbtouchscreen.c
View File

@ -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 @@ enum {
DEVTYPE_IRTOUCH,
DEVTYPE_IDEALTEK,
DEVTYPE_GENERAL_TOUCH,
DEVTYPE_GOTOP,
};
static struct usb_device_id usbtouch_devices[] = {
@ -168,6 +170,12 @@ static struct usb_device_id usbtouch_devices[] = {
{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
{}
};
@ -500,6 +508,20 @@ static int general_touch_read_data(struct usbtouch_usb *dev, unsigned char *pkt)
}
#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
*/
@ -623,9 +645,19 @@ static struct usbtouch_device_info usbtouch_dev_info[] = {
.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
};