From 14e4020630b364cc564172a476cd6a6ac4bc7393 Mon Sep 17 00:00:00 2001 From: Jerrold Jones Date: Mon, 22 Oct 2007 00:59:47 -0400 Subject: [PATCH] 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 Signed-off-by: Dmitry Torokhov --- drivers/input/touchscreen/Kconfig | 6 ++++ drivers/input/touchscreen/usbtouchscreen.c | 36 ++++++++++++++++++++-- 2 files changed, 40 insertions(+), 2 deletions(-) diff --git a/drivers/input/touchscreen/Kconfig b/drivers/input/touchscreen/Kconfig index e3e0baa1a1..fa8442b624 100644 --- a/drivers/input/touchscreen/Kconfig +++ b/drivers/input/touchscreen/Kconfig @@ -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 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 diff --git a/drivers/input/touchscreen/usbtouchscreen.c b/drivers/input/touchscreen/usbtouchscreen.c index 9fb3d5c309..f7d4a3b1ee 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 + * Copyright (C) 2004-2007 by Daniel Ritz * 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 }; -- 2.39.5