1 files changed, 58 insertions, 1 deletions

diff --git a/drivers/input/touchscreen/usbtouchscreen.c b/drivers/input/touchscreen/usbtouchscreen.c
index b407028ffc59..796b837deeea 100644
--- a/drivers/input/touchscreen/usbtouchscreen.c
+++ b/drivers/input/touchscreen/usbtouchscreen.c
@@ -10,6 +10,7 @@
  *  - Gunze AHL61
  *  - DMC TSC-10/25
  *  - IRTOUCHSYSTEMS/UNITOP
+ *  - IdealTEK URTC1000
  *
  * Copyright (C) 2004-2006 by Daniel Ritz <daniel.ritz@gmx.ch>
  * Copyright (C) by Todd E. Johnson (mtouchusb.c)
@@ -92,7 +93,7 @@ struct usbtouch_usb {
 };
 
 
-#if defined(CONFIG_TOUCHSCREEN_USB_EGALAX) || defined(CONFIG_TOUCHSCREEN_USB_ETURBO)
+#if defined(CONFIG_TOUCHSCREEN_USB_EGALAX) || defined(CONFIG_TOUCHSCREEN_USB_ETURBO) || defined(CONFIG_TOUCHSCREEN_USB_IDEALTEK)
 #define MULTI_PACKET
 #endif
 
@@ -112,6 +113,7 @@ enum {
         DEVTYPE_GUNZE,
         DEVTYPE_DMC_TSC10,
         DEVTYPE_IRTOUCH,
+        DEVTYPE_IDEALTEK,
 };
 
 static struct usb_device_id usbtouch_devices[] = {
@@ -157,6 +159,10 @@ static struct usb_device_id usbtouch_devices[] = {
         {USB_DEVICE(0x6615, 0x0001), .driver_info = DEVTYPE_IRTOUCH},
 #endif
 
+#ifdef CONFIG_TOUCHSCREEN_USB_IDEALTEK
+        {USB_DEVICE(0x1391, 0x1000), .driver_info = DEVTYPE_IDEALTEK},
+#endif
+
         {}
 };
 
@@ -438,6 +444,43 @@ static int irtouch_read_data(struct usbtouch_usb *dev, unsigned char *pkt)
 
 
 /*****************************************************************************
+ * IdealTEK URTC1000 Part
+ */
+#ifdef CONFIG_TOUCHSCREEN_USB_IDEALTEK
+static int idealtek_get_pkt_len(unsigned char *buf, int len)
+{
+        if (buf[0] & 0x80)
+                return 5;
+        if (buf[0] == 0x01)
+                return len;
+        return 0;
+}
+
+static int idealtek_read_data(struct usbtouch_usb *dev, unsigned char *pkt)
+{
+        switch (pkt[0] & 0x98) {
+        case 0x88:
+                /* touch data in IdealTEK mode */
+                dev->x = (pkt[1] << 5) | (pkt[2] >> 2);
+                dev->y = (pkt[3] << 5) | (pkt[4] >> 2);
+                dev->touch = (pkt[0] & 0x40) ? 1 : 0;
+                return 1;
+
+        case 0x98:
+                /* touch data in MT emulation mode */
+                dev->x = (pkt[2] << 5) | (pkt[1] >> 2);
+                dev->y = (pkt[4] << 5) | (pkt[3] >> 2);
+                dev->touch = (pkt[0] & 0x40) ? 1 : 0;
+                return 1;
+
+        default:
+                return 0;
+        }
+}
+#endif
+
+
+/*****************************************************************************
  * the different device descriptors
  */
 static struct usbtouch_device_info usbtouch_dev_info[] = {
@@ -537,6 +580,20 @@ static struct usbtouch_device_info usbtouch_dev_info[] = {
                 .read_data      = irtouch_read_data,
         },
 #endif
+
+#ifdef CONFIG_TOUCHSCREEN_USB_IDEALTEK
+        [DEVTYPE_IDEALTEK] = {
+                .min_xc         = 0x0,
+                .max_xc         = 0x0fff,
+                .min_yc         = 0x0,
+                .max_yc         = 0x0fff,
+                .rept_size      = 8,
+                .flags          = USBTOUCH_FLG_BUFFER,
+                .process_pkt    = usbtouch_process_multi,
+                .get_pkt_len    = idealtek_get_pkt_len,
+                .read_data      = idealtek_read_data,
+        },
+#endif
 };