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@@ -1,332 +0,0 @@
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-/******************************************************************************
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- * mtouchusb.c -- Driver for Microtouch (Now 3M) USB Touchscreens
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- *
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- * This program is free software; you can redistribute it and/or
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- * modify it under the terms of the GNU General Public License as
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- * published by the Free Software Foundation; either version 2 of the
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- * License, or (at your option) any later version.
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- *
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- * This program is distributed in the hope that it will be useful, but
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- * WITHOUT ANY WARRANTY; without even the implied warranty of
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- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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- * General Public License for more details.
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- *
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- * You should have received a copy of the GNU General Public License
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- * along with this program; if not, write to the Free Software
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- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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- *
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- * Based upon original work by Radoslaw Garbacz (usb-support@ite.pl)
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- * (http://freshmeat.net/projects/3mtouchscreendriver)
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- *
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- * History
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- *
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- * 0.3 & 0.4 2002 (TEJ) tejohnson@yahoo.com
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- * Updated to 2.4.18, then 2.4.19
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- * Old version still relied on stealing a minor
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- *
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- * 0.5 02/26/2004 (TEJ) tejohnson@yahoo.com
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- * Complete rewrite using Linux Input in 2.6.3
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- * Unfortunately no calibration support at this time
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- *
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- * 1.4 04/25/2004 (TEJ) tejohnson@yahoo.com
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- * Changed reset from standard USB dev reset to vendor reset
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- * Changed data sent to host from compensated to raw coordinates
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- * Eliminated vendor/product module params
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- * Performed multiple successful tests with an EXII-5010UC
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- *
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- * 1.5 02/27/2005 ddstreet@ieee.org
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- * Added module parameter to select raw or hw-calibrated coordinate reporting
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- *
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- *****************************************************************************/
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-
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-#include <linux/kernel.h>
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-#include <linux/slab.h>
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-#include <linux/module.h>
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-#include <linux/init.h>
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-#include <linux/usb/input.h>
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-
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-#define MTOUCHUSB_MIN_XC 0x0
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-#define MTOUCHUSB_MAX_RAW_XC 0x4000
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-#define MTOUCHUSB_MAX_CALIB_XC 0xffff
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-#define MTOUCHUSB_XC_FUZZ 0x0
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-#define MTOUCHUSB_XC_FLAT 0x0
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-#define MTOUCHUSB_MIN_YC 0x0
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-#define MTOUCHUSB_MAX_RAW_YC 0x4000
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-#define MTOUCHUSB_MAX_CALIB_YC 0xffff
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-#define MTOUCHUSB_YC_FUZZ 0x0
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-#define MTOUCHUSB_YC_FLAT 0x0
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-
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-#define MTOUCHUSB_ASYNC_REPORT 1
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-#define MTOUCHUSB_RESET 7
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-#define MTOUCHUSB_REPORT_DATA_SIZE 11
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-#define MTOUCHUSB_REQ_CTRLLR_ID 10
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-
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-#define MTOUCHUSB_GET_RAW_XC(data) (data[8]<<8 | data[7])
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-#define MTOUCHUSB_GET_CALIB_XC(data) (data[4]<<8 | data[3])
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-#define MTOUCHUSB_GET_RAW_YC(data) (data[10]<<8 | data[9])
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-#define MTOUCHUSB_GET_CALIB_YC(data) (data[6]<<8 | data[5])
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-#define MTOUCHUSB_GET_XC(data) (raw_coordinates ? \
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- MTOUCHUSB_GET_RAW_XC(data) : \
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- MTOUCHUSB_GET_CALIB_XC(data))
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-#define MTOUCHUSB_GET_YC(data) (raw_coordinates ? \
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- MTOUCHUSB_GET_RAW_YC(data) : \
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- MTOUCHUSB_GET_CALIB_YC(data))
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-#define MTOUCHUSB_GET_TOUCHED(data) ((data[2] & 0x40) ? 1:0)
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-
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-#define DRIVER_VERSION "v1.5"
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-#define DRIVER_AUTHOR "Todd E. Johnson, tejohnson@yahoo.com"
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-#define DRIVER_DESC "3M USB Touchscreen Driver"
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-#define DRIVER_LICENSE "GPL"
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-
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-static int raw_coordinates = 1;
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-
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-module_param(raw_coordinates, bool, S_IRUGO | S_IWUSR);
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-MODULE_PARM_DESC(raw_coordinates, "report raw coordinate values (y, default) or hardware-calibrated coordinate values (n)");
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-
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-struct mtouch_usb {
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- unsigned char *data;
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- dma_addr_t data_dma;
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- struct urb *irq;
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- struct usb_device *udev;
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- struct input_dev *input;
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- char name[128];
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- char phys[64];
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-};
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-
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-static struct usb_device_id mtouchusb_devices[] = {
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- { USB_DEVICE(0x0596, 0x0001) },
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- { }
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-};
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-
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-static void mtouchusb_irq(struct urb *urb)
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-{
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- struct mtouch_usb *mtouch = urb->context;
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- int retval;
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-
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- switch (urb->status) {
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- case 0:
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- /* success */
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- break;
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- case -ETIME:
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- /* this urb is timing out */
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- dbg("%s - urb timed out - was the device unplugged?",
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- __FUNCTION__);
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- return;
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- case -ECONNRESET:
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- case -ENOENT:
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- case -ESHUTDOWN:
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- /* this urb is terminated, clean up */
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- dbg("%s - urb shutting down with status: %d",
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- __FUNCTION__, urb->status);
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- return;
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- default:
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- dbg("%s - nonzero urb status received: %d",
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- __FUNCTION__, urb->status);
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- goto exit;
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- }
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-
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- input_report_key(mtouch->input, BTN_TOUCH,
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- MTOUCHUSB_GET_TOUCHED(mtouch->data));
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- input_report_abs(mtouch->input, ABS_X, MTOUCHUSB_GET_XC(mtouch->data));
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- input_report_abs(mtouch->input, ABS_Y,
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- (raw_coordinates ? MTOUCHUSB_MAX_RAW_YC : MTOUCHUSB_MAX_CALIB_YC)
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- - MTOUCHUSB_GET_YC(mtouch->data));
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- input_sync(mtouch->input);
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-
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-exit:
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- retval = usb_submit_urb(urb, GFP_ATOMIC);
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- if (retval)
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- err("%s - usb_submit_urb failed with result: %d",
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- __FUNCTION__, retval);
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-}
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-
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-static int mtouchusb_open(struct input_dev *input)
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-{
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- struct mtouch_usb *mtouch = input->private;
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-
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- mtouch->irq->dev = mtouch->udev;
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-
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- if (usb_submit_urb(mtouch->irq, GFP_ATOMIC))
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- return -EIO;
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-
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- return 0;
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-}
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-
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-static void mtouchusb_close(struct input_dev *input)
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-{
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- struct mtouch_usb *mtouch = input->private;
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-
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- usb_kill_urb(mtouch->irq);
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-}
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-
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-static int mtouchusb_alloc_buffers(struct usb_device *udev, struct mtouch_usb *mtouch)
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-{
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- dbg("%s - called", __FUNCTION__);
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-
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- mtouch->data = usb_buffer_alloc(udev, MTOUCHUSB_REPORT_DATA_SIZE,
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- GFP_ATOMIC, &mtouch->data_dma);
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-
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- if (!mtouch->data)
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- return -1;
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-
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- return 0;
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-}
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-
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-static void mtouchusb_free_buffers(struct usb_device *udev, struct mtouch_usb *mtouch)
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-{
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- dbg("%s - called", __FUNCTION__);
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-
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- if (mtouch->data)
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- usb_buffer_free(udev, MTOUCHUSB_REPORT_DATA_SIZE,
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- mtouch->data, mtouch->data_dma);
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-}
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-
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-static int mtouchusb_probe(struct usb_interface *intf, const struct usb_device_id *id)
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-{
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- struct mtouch_usb *mtouch;
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- struct input_dev *input_dev;
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- struct usb_host_interface *interface;
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- struct usb_endpoint_descriptor *endpoint;
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- struct usb_device *udev = interface_to_usbdev(intf);
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- int nRet;
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-
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- dbg("%s - called", __FUNCTION__);
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-
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- dbg("%s - setting interface", __FUNCTION__);
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- interface = intf->cur_altsetting;
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-
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- dbg("%s - setting endpoint", __FUNCTION__);
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- endpoint = &interface->endpoint[0].desc;
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-
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- mtouch = kzalloc(sizeof(struct mtouch_usb), GFP_KERNEL);
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- input_dev = input_allocate_device();
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- if (!mtouch || !input_dev) {
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- err("%s - Out of memory.", __FUNCTION__);
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- goto fail1;
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- }
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-
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- dbg("%s - allocating buffers", __FUNCTION__);
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- if (mtouchusb_alloc_buffers(udev, mtouch))
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- goto fail2;
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-
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- mtouch->udev = udev;
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- mtouch->input = input_dev;
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-
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- if (udev->manufacturer)
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- strlcpy(mtouch->name, udev->manufacturer, sizeof(mtouch->name));
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-
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- if (udev->product) {
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- if (udev->manufacturer)
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- strlcat(mtouch->name, " ", sizeof(mtouch->name));
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- strlcat(mtouch->name, udev->product, sizeof(mtouch->name));
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- }
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-
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- if (!strlen(mtouch->name))
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- snprintf(mtouch->name, sizeof(mtouch->name),
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- "USB Touchscreen %04x:%04x",
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- le16_to_cpu(udev->descriptor.idVendor),
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- le16_to_cpu(udev->descriptor.idProduct));
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-
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- usb_make_path(udev, mtouch->phys, sizeof(mtouch->phys));
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- strlcpy(mtouch->phys, "/input0", sizeof(mtouch->phys));
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-
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- input_dev->name = mtouch->name;
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- input_dev->phys = mtouch->phys;
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- usb_to_input_id(udev, &input_dev->id);
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- input_dev->cdev.dev = &intf->dev;
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- input_dev->private = mtouch;
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-
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- input_dev->open = mtouchusb_open;
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- input_dev->close = mtouchusb_close;
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-
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- input_dev->evbit[0] = BIT(EV_KEY) | BIT(EV_ABS);
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- input_dev->keybit[LONG(BTN_TOUCH)] = BIT(BTN_TOUCH);
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- input_set_abs_params(input_dev, ABS_X, MTOUCHUSB_MIN_XC,
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- raw_coordinates ? MTOUCHUSB_MAX_RAW_XC : MTOUCHUSB_MAX_CALIB_XC,
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- MTOUCHUSB_XC_FUZZ, MTOUCHUSB_XC_FLAT);
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- input_set_abs_params(input_dev, ABS_Y, MTOUCHUSB_MIN_YC,
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- raw_coordinates ? MTOUCHUSB_MAX_RAW_YC : MTOUCHUSB_MAX_CALIB_YC,
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- MTOUCHUSB_YC_FUZZ, MTOUCHUSB_YC_FLAT);
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-
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- nRet = usb_control_msg(mtouch->udev, usb_rcvctrlpipe(udev, 0),
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- MTOUCHUSB_RESET,
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- USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
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- 1, 0, NULL, 0, USB_CTRL_SET_TIMEOUT);
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- dbg("%s - usb_control_msg - MTOUCHUSB_RESET - bytes|err: %d",
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- __FUNCTION__, nRet);
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-
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- dbg("%s - usb_alloc_urb: mtouch->irq", __FUNCTION__);
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- mtouch->irq = usb_alloc_urb(0, GFP_KERNEL);
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- if (!mtouch->irq) {
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- dbg("%s - usb_alloc_urb failed: mtouch->irq", __FUNCTION__);
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- goto fail2;
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- }
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-
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- dbg("%s - usb_fill_int_urb", __FUNCTION__);
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- usb_fill_int_urb(mtouch->irq, mtouch->udev,
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- usb_rcvintpipe(mtouch->udev, 0x81),
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- mtouch->data, MTOUCHUSB_REPORT_DATA_SIZE,
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- mtouchusb_irq, mtouch, endpoint->bInterval);
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-
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- dbg("%s - input_register_device", __FUNCTION__);
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- input_register_device(mtouch->input);
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-
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- nRet = usb_control_msg(mtouch->udev, usb_rcvctrlpipe(udev, 0),
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- MTOUCHUSB_ASYNC_REPORT,
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- USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
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- 1, 1, NULL, 0, USB_CTRL_SET_TIMEOUT);
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- dbg("%s - usb_control_msg - MTOUCHUSB_ASYNC_REPORT - bytes|err: %d",
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- __FUNCTION__, nRet);
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-
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- usb_set_intfdata(intf, mtouch);
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- return 0;
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-
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-fail2: mtouchusb_free_buffers(udev, mtouch);
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-fail1: input_free_device(input_dev);
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- kfree(mtouch);
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- return -ENOMEM;
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-}
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-
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-static void mtouchusb_disconnect(struct usb_interface *intf)
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-{
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- struct mtouch_usb *mtouch = usb_get_intfdata(intf);
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-
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- dbg("%s - called", __FUNCTION__);
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- usb_set_intfdata(intf, NULL);
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- if (mtouch) {
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- dbg("%s - mtouch is initialized, cleaning up", __FUNCTION__);
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- usb_kill_urb(mtouch->irq);
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- input_unregister_device(mtouch->input);
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- usb_free_urb(mtouch->irq);
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- mtouchusb_free_buffers(interface_to_usbdev(intf), mtouch);
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- kfree(mtouch);
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- }
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-}
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-
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-MODULE_DEVICE_TABLE(usb, mtouchusb_devices);
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-
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-static struct usb_driver mtouchusb_driver = {
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- .name = "mtouchusb",
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- .probe = mtouchusb_probe,
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- .disconnect = mtouchusb_disconnect,
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- .id_table = mtouchusb_devices,
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-};
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-
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-static int __init mtouchusb_init(void)
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-{
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- dbg("%s - called", __FUNCTION__);
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- return usb_register(&mtouchusb_driver);
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-}
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-
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-static void __exit mtouchusb_cleanup(void)
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-{
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- dbg("%s - called", __FUNCTION__);
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- usb_deregister(&mtouchusb_driver);
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-}
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-
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-module_init(mtouchusb_init);
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-module_exit(mtouchusb_cleanup);
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-
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-MODULE_AUTHOR(DRIVER_AUTHOR);
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-MODULE_DESCRIPTION(DRIVER_DESC);
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-MODULE_LICENSE("GPL");
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Dmitry Torokhov