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Message-Id: <20061124053726.BD6DBA169B6@imap.suse.de>
Date: Thu, 23 Nov 2006 21:37:31 -0800
From: <gregkh@...e.de>
To: daniel.ritz-ml@...ssonline.ch, daniel.ritz@....ch, gregkh@...e.de,
hs4233@...l.mn-solutions.de, linux-kernel@...r.kernel.org,
linux-usb-devel@...ts.sourceforge.net
Subject: patch usb-usbtouchscreen-add-support-for-dmc-tsc-10-25-devices.patch added to gregkh-2.6 tree
This is a note to let you know that I've just added the patch titled
Subject: USB: usbtouchscreen: add support for DMC TSC-10/25 devices
to my gregkh-2.6 tree. Its filename is
usb-usbtouchscreen-add-support-for-dmc-tsc-10-25-devices.patch
This tree can be found at
http://www.kernel.org/pub/linux/kernel/people/gregkh/gregkh-2.6/patches/
>From daniel.ritz-ml@...ssonline.ch Fri Nov 17 13:52:01 2006
From: Daniel Ritz <daniel.ritz-ml@...ssonline.ch>
To: Greg KH <gregkh@...e.de>
Subject: USB: usbtouchscreen: add support for DMC TSC-10/25 devices
Date: Fri, 17 Nov 2006 22:50:15 +0100
Cc: "linux-usb" <linux-usb-devel@...ts.sourceforge.net>, "linux-kernel" <linux-kernel@...r.kernel.org>, Holger Schurig <hs4233@...l.mn-solutions.de>
Message-Id: <200611172250.17159.daniel.ritz-ml@...ssonline.ch>
[PATCH] usbtouchscreen: add support for DMC TSC-10/25 devices
From: Holger Schurig <hs4233@...l.mn-solutions.de>
Adds support for the DMC TSC-10 and TSC-25 usb touchscreen controllers.
Signed-off-by: Holger Schurig <hs4233@...l.mn-solutions.de>
Signed-off-by: Daniel Ritz <daniel.ritz@....ch>
Signed-off-by: Greg Kroah-Hartman <gregkh@...e.de>
---
drivers/usb/input/Kconfig | 6 ++
drivers/usb/input/usbtouchscreen.c | 96 ++++++++++++++++++++++++++++++++++++-
2 files changed, 101 insertions(+), 1 deletion(-)
--- gregkh-2.6.orig/drivers/usb/input/Kconfig
+++ gregkh-2.6/drivers/usb/input/Kconfig
@@ -221,6 +221,7 @@ config USB_TOUCHSCREEN
- ITM
- some other eTurboTouch
- Gunze AHL61
+ - DMC TSC-10/25
Have a look at <http://linux.chapter7.ch/touchkit/> for
a usage description and the required user-space stuff.
@@ -258,6 +259,11 @@ config USB_TOUCHSCREEN_GUNZE
bool "Gunze AHL61 device support" if EMBEDDED
depends on USB_TOUCHSCREEN
+config USB_TOUCHSCREEN_DMC_TSC10
+ default y
+ bool "DMC TSC-10/25 device support" if EMBEDDED
+ depends on USB_TOUCHSCREEN
+
config USB_YEALINK
tristate "Yealink usb-p1k voip phone"
depends on USB && INPUT && EXPERIMENTAL
--- gregkh-2.6.orig/drivers/usb/input/usbtouchscreen.c
+++ gregkh-2.6/drivers/usb/input/usbtouchscreen.c
@@ -8,6 +8,7 @@
* - PanJit TouchSet
* - eTurboTouch
* - Gunze AHL61
+ * - DMC TSC-10/25
*
* Copyright (C) 2004-2006 by Daniel Ritz <daniel.ritz@....ch>
* Copyright (C) by Todd E. Johnson (mtouchusb.c)
@@ -30,6 +31,8 @@
* - ITM parts are from itmtouch.c
* - 3M parts are from mtouchusb.c
* - PanJit parts are from an unmerged driver by Lanslott Gish
+ * - DMC TSC 10/25 are from Holger Schurig, with ideas from an unmerged
+ * driver from Marius Vollmer
*
*****************************************************************************/
@@ -44,7 +47,7 @@
#include <linux/usb/input.h>
-#define DRIVER_VERSION "v0.4"
+#define DRIVER_VERSION "v0.5"
#define DRIVER_AUTHOR "Daniel Ritz <daniel.ritz@....ch>"
#define DRIVER_DESC "USB Touchscreen Driver"
@@ -103,6 +106,7 @@ enum {
DEVTYPE_ITM,
DEVTYPE_ETURBO,
DEVTYPE_GUNZE,
+ DEVTYPE_DMC_TSC10,
};
static struct usb_device_id usbtouch_devices[] = {
@@ -139,6 +143,10 @@ static struct usb_device_id usbtouch_dev
{USB_DEVICE(0x0637, 0x0001), .driver_info = DEVTYPE_GUNZE},
#endif
+#ifdef CONFIG_USB_TOUCHSCREEN_DMC_TSC10
+ {USB_DEVICE(0x0afa, 0x03e8), .driver_info = DEVTYPE_DMC_TSC10},
+#endif
+
{}
};
@@ -313,6 +321,80 @@ static int gunze_read_data(unsigned char
#endif
/*****************************************************************************
+ * DMC TSC-10/25 Part
+ *
+ * Documentation about the controller and it's protocol can be found at
+ * http://www.dmccoltd.com/files/controler/tsc10usb_pi_e.pdf
+ * http://www.dmccoltd.com/files/controler/tsc25_usb_e.pdf
+ */
+#ifdef CONFIG_USB_TOUCHSCREEN_DMC_TSC10
+
+/* supported data rates. currently using 130 */
+#define TSC10_RATE_POINT 0x50
+#define TSC10_RATE_30 0x40
+#define TSC10_RATE_50 0x41
+#define TSC10_RATE_80 0x42
+#define TSC10_RATE_100 0x43
+#define TSC10_RATE_130 0x44
+#define TSC10_RATE_150 0x45
+
+/* commands */
+#define TSC10_CMD_RESET 0x55
+#define TSC10_CMD_RATE 0x05
+#define TSC10_CMD_DATA1 0x01
+
+static int dmc_tsc10_init(struct usbtouch_usb *usbtouch)
+{
+ struct usb_device *dev = usbtouch->udev;
+ int ret;
+ unsigned char buf[2];
+
+ /* reset */
+ buf[0] = buf[1] = 0xFF;
+ ret = usb_control_msg(dev, usb_rcvctrlpipe (dev, 0),
+ TSC10_CMD_RESET,
+ USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
+ 0, 0, buf, 2, USB_CTRL_SET_TIMEOUT);
+ if (ret < 0)
+ return ret;
+ if (buf[0] != 0x06 || buf[1] != 0x00)
+ return -ENODEV;
+
+ /* set coordinate output rate */
+ buf[0] = buf[1] = 0xFF;
+ ret = usb_control_msg(dev, usb_rcvctrlpipe (dev, 0),
+ TSC10_CMD_RATE,
+ USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
+ TSC10_RATE_150, 0, buf, 2, USB_CTRL_SET_TIMEOUT);
+ if (ret < 0)
+ return ret;
+ if (buf[0] != 0x06 || buf[1] != 0x00)
+ return -ENODEV;
+
+ /* start sending data */
+ ret = usb_control_msg(dev, usb_rcvctrlpipe (dev, 0),
+ TSC10_CMD_DATA1,
+ USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
+ 0, 0, NULL, 0, USB_CTRL_SET_TIMEOUT);
+ if (ret < 0)
+ return ret;
+
+ return 0;
+}
+
+
+static int dmc_tsc10_read_data(unsigned char *pkt, int *x, int *y, int *touch, int *press)
+{
+ *x = ((pkt[2] & 0x03) << 8) | pkt[1];
+ *y = ((pkt[4] & 0x03) << 8) | pkt[3];
+ *touch = pkt[0] & 0x01;
+
+ return 1;
+}
+#endif
+
+
+/*****************************************************************************
* the different device descriptors
*/
static struct usbtouch_device_info usbtouch_dev_info[] = {
@@ -389,6 +471,18 @@ static struct usbtouch_device_info usbto
.read_data = gunze_read_data,
},
#endif
+
+#ifdef CONFIG_USB_TOUCHSCREEN_DMC_TSC10
+ [DEVTYPE_DMC_TSC10] = {
+ .min_xc = 0x0,
+ .max_xc = 0x03ff,
+ .min_yc = 0x0,
+ .max_yc = 0x03ff,
+ .rept_size = 5,
+ .init = dmc_tsc10_init,
+ .read_data = dmc_tsc10_read_data,
+ },
+#endif
};
Patches currently in gregkh-2.6 which might be from daniel.ritz-ml@...ssonline.ch are
usb/usb-usbtouchscreen-add-support-for-dmc-tsc-10-25-devices.patch
-
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