Input: remove old USB touchscreen drivers

itmtoch, mtouchusb and touchkitusb have been replaced with
composite usbtouchscreen driver and can be removed now.

Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

1 files changed, 0 insertions, 392 deletions

diff --git a/drivers/usb/input/touchkitusb.c b/drivers/usb/input/touchkitusb.c
deleted file mode 100644
index 2a314b065922..000000000000
--- a/drivers/usb/input/touchkitusb.c
+++ /dev/null
@@ -1,392 +0,0 @@
-/******************************************************************************
- * touchkitusb.c  --  Driver for eGalax TouchKit USB Touchscreens
- *
- * Copyright (C) 2004-2005 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
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- *
- * Based upon mtouchusb.c
- *
- *****************************************************************************/
-
-//#define DEBUG
-
-#include <linux/kernel.h>
-#include <linux/slab.h>
-#include <linux/module.h>
-#include <linux/init.h>
-#include <linux/usb/input.h>
-
-#define TOUCHKIT_MIN_XC			0x0
-#define TOUCHKIT_MAX_XC			0x07ff
-#define TOUCHKIT_XC_FUZZ		0x0
-#define TOUCHKIT_XC_FLAT		0x0
-#define TOUCHKIT_MIN_YC			0x0
-#define TOUCHKIT_MAX_YC			0x07ff
-#define TOUCHKIT_YC_FUZZ		0x0
-#define TOUCHKIT_YC_FLAT		0x0
-#define TOUCHKIT_REPORT_DATA_SIZE	16
-
-#define TOUCHKIT_DOWN			0x01
-
-#define TOUCHKIT_PKT_TYPE_MASK		0xFE
-#define TOUCHKIT_PKT_TYPE_REPT		0x80
-#define TOUCHKIT_PKT_TYPE_DIAG		0x0A
-
-#define DRIVER_VERSION			"v0.1"
-#define DRIVER_AUTHOR			"Daniel Ritz <daniel.ritz@gmx.ch>"
-#define DRIVER_DESC			"eGalax TouchKit USB HID Touchscreen Driver"
-
-static int swap_xy;
-module_param(swap_xy, bool, 0644);
-MODULE_PARM_DESC(swap_xy, "If set X and Y axes are swapped.");
-
-struct touchkit_usb {
-	unsigned char *data;
-	dma_addr_t data_dma;
-	char buffer[TOUCHKIT_REPORT_DATA_SIZE];
-	int buf_len;
-	struct urb *irq;
-	struct usb_device *udev;
-	struct input_dev *input;
-	char name[128];
-	char phys[64];
-};
-
-static struct usb_device_id touchkit_devices[] = {
-	{USB_DEVICE(0x3823, 0x0001)},
-	{USB_DEVICE(0x0123, 0x0001)},
-	{USB_DEVICE(0x0eef, 0x0001)},
-	{USB_DEVICE(0x0eef, 0x0002)},
-	{}
-};
-
-/* helpers to read the data */
-static inline int touchkit_get_touched(char *data)
-{
-	return (data[0] & TOUCHKIT_DOWN) ? 1 : 0;
-}
-
-static inline int touchkit_get_x(char *data)
-{
-	return ((data[3] & 0x0F) << 7) | (data[4] & 0x7F);
-}
-
-static inline int touchkit_get_y(char *data)
-{
-	return ((data[1] & 0x0F) << 7) | (data[2] & 0x7F);
-}
-
-
-/* processes one input packet. */
-static void touchkit_process_pkt(struct touchkit_usb *touchkit, char *pkt)
-{
-	int x, y;
-
-	/* only process report packets */
-	if ((pkt[0] & TOUCHKIT_PKT_TYPE_MASK) != TOUCHKIT_PKT_TYPE_REPT)
-		return;
-
-	if (swap_xy) {
-		y = touchkit_get_x(pkt);
-		x = touchkit_get_y(pkt);
-	} else {
-		x = touchkit_get_x(pkt);
-		y = touchkit_get_y(pkt);
-	}
-
-	input_report_key(touchkit->input, BTN_TOUCH, touchkit_get_touched(pkt));
-	input_report_abs(touchkit->input, ABS_X, x);
-	input_report_abs(touchkit->input, ABS_Y, y);
-	input_sync(touchkit->input);
-}
-
-
-static int touchkit_get_pkt_len(char *buf)
-{
-	switch (buf[0] & TOUCHKIT_PKT_TYPE_MASK) {
-	case TOUCHKIT_PKT_TYPE_REPT:
-		return 5;
-
-	case TOUCHKIT_PKT_TYPE_DIAG:
-		return buf[1] + 2;
-	}
-
-	return 0;
-}
-
-static void touchkit_process(struct touchkit_usb *touchkit, int len)
-{
-	char *buffer;
-	int pkt_len, buf_len, pos;
-
-	/* if the buffer contains data, append */
-	if (unlikely(touchkit->buf_len)) {
-		int tmp;
-
-		/* if only 1 byte in buffer, add another one to get length */
-		if (touchkit->buf_len == 1)
-			touchkit->buffer[1] = touchkit->data[0];
-
-		pkt_len = touchkit_get_pkt_len(touchkit->buffer);
-
-		/* unknown packet: drop everything */
-		if (!pkt_len)
-			return;
-
-		/* append, process */
-		tmp = pkt_len - touchkit->buf_len;
-		memcpy(touchkit->buffer + touchkit->buf_len, touchkit->data, tmp);
-		touchkit_process_pkt(touchkit, touchkit->buffer);
-
-		buffer = touchkit->data + tmp;
-		buf_len = len - tmp;
-	} else {
-		buffer = touchkit->data;
-		buf_len = len;
-	}
-
-	/* only one byte left in buffer */
-	if (unlikely(buf_len == 1)) {
-		touchkit->buffer[0] = buffer[0];
-		touchkit->buf_len = 1;
-		return;
-	}
-
-	/* loop over the buffer */
-	pos = 0;
-	while (pos < buf_len) {
-		/* get packet len */
-		pkt_len = touchkit_get_pkt_len(buffer + pos);
-
-		/* unknown packet: drop everything */
-		if (unlikely(!pkt_len))
-			return;
-
-		/* full packet: process */
-		if (likely(pkt_len <= buf_len)) {
-			touchkit_process_pkt(touchkit, buffer + pos);
-		} else {
-			/* incomplete packet: save in buffer */
-			memcpy(touchkit->buffer, buffer + pos, buf_len - pos);
-			touchkit->buf_len = buf_len - pos;
-		}
-		pos += pkt_len;
-	}
-}
-
-
-static void touchkit_irq(struct urb *urb)
-{
-	struct touchkit_usb *touchkit = urb->context;
-	int retval;
-
-	switch (urb->status) {
-	case 0:
-		/* success */
-		break;
-	case -ETIME:
-		/* this urb is timing out */
-		dbg("%s - urb timed out - was the device unplugged?",
-		    __FUNCTION__);
-		return;
-	case -ECONNRESET:
-	case -ENOENT:
-	case -ESHUTDOWN:
-		/* this urb is terminated, clean up */
-		dbg("%s - urb shutting down with status: %d",
-		    __FUNCTION__, urb->status);
-		return;
-	default:
-		dbg("%s - nonzero urb status received: %d",
-		    __FUNCTION__, urb->status);
-		goto exit;
-	}
-
-	touchkit_process(touchkit, urb->actual_length);
-
-exit:
-	retval = usb_submit_urb(urb, GFP_ATOMIC);
-	if (retval)
-		err("%s - usb_submit_urb failed with result: %d",
-		    __FUNCTION__, retval);
-}
-
-static int touchkit_open(struct input_dev *input)
-{
-	struct touchkit_usb *touchkit = input->private;
-
-	touchkit->irq->dev = touchkit->udev;
-
-	if (usb_submit_urb(touchkit->irq, GFP_ATOMIC))
-		return -EIO;
-
-	return 0;
-}
-
-static void touchkit_close(struct input_dev *input)
-{
-	struct touchkit_usb *touchkit = input->private;
-
-	usb_kill_urb(touchkit->irq);
-}
-
-static int touchkit_alloc_buffers(struct usb_device *udev,
-				  struct touchkit_usb *touchkit)
-{
-	touchkit->data = usb_buffer_alloc(udev, TOUCHKIT_REPORT_DATA_SIZE,
-	                                  GFP_ATOMIC, &touchkit->data_dma);
-
-	if (!touchkit->data)
-		return -1;
-
-	return 0;
-}
-
-static void touchkit_free_buffers(struct usb_device *udev,
-				  struct touchkit_usb *touchkit)
-{
-	if (touchkit->data)
-		usb_buffer_free(udev, TOUCHKIT_REPORT_DATA_SIZE,
-		                touchkit->data, touchkit->data_dma);
-}
-
-static int touchkit_probe(struct usb_interface *intf,
-			  const struct usb_device_id *id)
-{
-	struct touchkit_usb *touchkit;
-	struct input_dev *input_dev;
-	struct usb_host_interface *interface;
-	struct usb_endpoint_descriptor *endpoint;
-	struct usb_device *udev = interface_to_usbdev(intf);
-
-	interface = intf->cur_altsetting;
-	endpoint = &interface->endpoint[0].desc;
-
-	touchkit = kzalloc(sizeof(struct touchkit_usb), GFP_KERNEL);
-	input_dev = input_allocate_device();
-	if (!touchkit || !input_dev)
-		goto out_free;
-
-	if (touchkit_alloc_buffers(udev, touchkit))
-		goto out_free;
-
-	touchkit->irq = usb_alloc_urb(0, GFP_KERNEL);
-	if (!touchkit->irq) {
-		dbg("%s - usb_alloc_urb failed: touchkit->irq", __FUNCTION__);
-		goto out_free_buffers;
-	}
-
-	touchkit->udev = udev;
-	touchkit->input = input_dev;
-
-	if (udev->manufacturer)
-		strlcpy(touchkit->name, udev->manufacturer, sizeof(touchkit->name));
-
-	if (udev->product) {
-		if (udev->manufacturer)
-			strlcat(touchkit->name, " ", sizeof(touchkit->name));
-		strlcat(touchkit->name, udev->product, sizeof(touchkit->name));
-	}
-
-	if (!strlen(touchkit->name))
-		snprintf(touchkit->name, sizeof(touchkit->name),
-			"USB Touchscreen %04x:%04x",
-			 le16_to_cpu(udev->descriptor.idVendor),
-			 le16_to_cpu(udev->descriptor.idProduct));
-
-	usb_make_path(udev, touchkit->phys, sizeof(touchkit->phys));
-	strlcpy(touchkit->phys, "/input0", sizeof(touchkit->phys));
-
-	input_dev->name = touchkit->name;
-	input_dev->phys = touchkit->phys;
-	usb_to_input_id(udev, &input_dev->id);
-	input_dev->cdev.dev = &intf->dev;
-	input_dev->private = touchkit;
-	input_dev->open = touchkit_open;
-	input_dev->close = touchkit_close;
-
-	input_dev->evbit[0] = BIT(EV_KEY) | BIT(EV_ABS);
-	input_dev->keybit[LONG(BTN_TOUCH)] = BIT(BTN_TOUCH);
-	input_set_abs_params(input_dev, ABS_X, TOUCHKIT_MIN_XC, TOUCHKIT_MAX_XC,
-				TOUCHKIT_XC_FUZZ, TOUCHKIT_XC_FLAT);
-	input_set_abs_params(input_dev, ABS_Y, TOUCHKIT_MIN_YC, TOUCHKIT_MAX_YC,
-				TOUCHKIT_YC_FUZZ, TOUCHKIT_YC_FLAT);
-
-	usb_fill_int_urb(touchkit->irq, touchkit->udev,
-			 usb_rcvintpipe(touchkit->udev, 0x81),
-			 touchkit->data, TOUCHKIT_REPORT_DATA_SIZE,
-			 touchkit_irq, touchkit, endpoint->bInterval);
-
-	touchkit->irq->transfer_dma = touchkit->data_dma;
-	touchkit->irq->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
-
-	input_register_device(touchkit->input);
-
-	usb_set_intfdata(intf, touchkit);
-	return 0;
-
-out_free_buffers:
-	touchkit_free_buffers(udev, touchkit);
-out_free:
-	input_free_device(input_dev);
-	kfree(touchkit);
-	return -ENOMEM;
-}
-
-static void touchkit_disconnect(struct usb_interface *intf)
-{
-	struct touchkit_usb *touchkit = usb_get_intfdata(intf);
-
-	dbg("%s - called", __FUNCTION__);
-
-	if (!touchkit)
-		return;
-
-	dbg("%s - touchkit is initialized, cleaning up", __FUNCTION__);
-	usb_set_intfdata(intf, NULL);
-	usb_kill_urb(touchkit->irq);
-	input_unregister_device(touchkit->input);
-	usb_free_urb(touchkit->irq);
-	touchkit_free_buffers(interface_to_usbdev(intf), touchkit);
-	kfree(touchkit);
-}
-
-MODULE_DEVICE_TABLE(usb, touchkit_devices);
-
-static struct usb_driver touchkit_driver = {
-	.name		= "touchkitusb",
-	.probe		= touchkit_probe,
-	.disconnect	= touchkit_disconnect,
-	.id_table	= touchkit_devices,
-};
-
-static int __init touchkit_init(void)
-{
-	return usb_register(&touchkit_driver);
-}
-
-static void __exit touchkit_cleanup(void)
-{
-	usb_deregister(&touchkit_driver);
-}
-
-module_init(touchkit_init);
-module_exit(touchkit_cleanup);
-
-MODULE_AUTHOR(DRIVER_AUTHOR);
-MODULE_DESCRIPTION(DRIVER_DESC);
-MODULE_LICENSE("GPL");