245 lines
6.4 KiB
C
245 lines
6.4 KiB
C
/*
|
|
* Copyright (c) 1999-2001 Vojtech Pavlik
|
|
*
|
|
* USB HIDBP Mouse support
|
|
*/
|
|
|
|
/*
|
|
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
*
|
|
* Should you need to contact me, the author, you can do so either by
|
|
* e-mail - mail your message to <vojtech@ucw.cz>, or by paper mail:
|
|
* Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic
|
|
*/
|
|
|
|
#include <linux/kernel.h>
|
|
#include <linux/slab.h>
|
|
#include <linux/module.h>
|
|
#include <linux/init.h>
|
|
#include <linux/usb/input.h>
|
|
#include <linux/hid.h>
|
|
|
|
/* for apple IDs */
|
|
#ifdef CONFIG_USB_HID_MODULE
|
|
#include "../hid-ids.h"
|
|
#endif
|
|
|
|
/*
|
|
* Version Information
|
|
*/
|
|
#define DRIVER_VERSION "v1.6"
|
|
#define DRIVER_AUTHOR "Vojtech Pavlik <vojtech@ucw.cz>"
|
|
#define DRIVER_DESC "USB HID Boot Protocol mouse driver"
|
|
|
|
MODULE_AUTHOR(DRIVER_AUTHOR);
|
|
MODULE_DESCRIPTION(DRIVER_DESC);
|
|
MODULE_LICENSE("GPL");
|
|
|
|
struct usb_mouse {
|
|
char name[128];
|
|
char phys[64];
|
|
struct usb_device *usbdev;
|
|
struct input_dev *dev;
|
|
struct urb *irq;
|
|
|
|
signed char *data;
|
|
dma_addr_t data_dma;
|
|
};
|
|
|
|
static void usb_mouse_irq(struct urb *urb)
|
|
{
|
|
struct usb_mouse *mouse = urb->context;
|
|
signed char *data = mouse->data;
|
|
struct input_dev *dev = mouse->dev;
|
|
int status;
|
|
|
|
switch (urb->status) {
|
|
case 0: /* success */
|
|
break;
|
|
case -ECONNRESET: /* unlink */
|
|
case -ENOENT:
|
|
case -ESHUTDOWN:
|
|
return;
|
|
/* -EPIPE: should clear the halt */
|
|
default: /* error */
|
|
goto resubmit;
|
|
}
|
|
|
|
input_report_key(dev, BTN_LEFT, data[0] & 0x01);
|
|
input_report_key(dev, BTN_RIGHT, data[0] & 0x02);
|
|
input_report_key(dev, BTN_MIDDLE, data[0] & 0x04);
|
|
input_report_key(dev, BTN_SIDE, data[0] & 0x08);
|
|
input_report_key(dev, BTN_EXTRA, data[0] & 0x10);
|
|
|
|
input_report_rel(dev, REL_X, data[1]);
|
|
input_report_rel(dev, REL_Y, data[2]);
|
|
input_report_rel(dev, REL_WHEEL, data[3]);
|
|
|
|
input_sync(dev);
|
|
resubmit:
|
|
status = usb_submit_urb (urb, GFP_ATOMIC);
|
|
if (status)
|
|
dev_err(&mouse->usbdev->dev,
|
|
"can't resubmit intr, %s-%s/input0, status %d\n",
|
|
mouse->usbdev->bus->bus_name,
|
|
mouse->usbdev->devpath, status);
|
|
}
|
|
|
|
static int usb_mouse_open(struct input_dev *dev)
|
|
{
|
|
struct usb_mouse *mouse = input_get_drvdata(dev);
|
|
|
|
mouse->irq->dev = mouse->usbdev;
|
|
if (usb_submit_urb(mouse->irq, GFP_KERNEL))
|
|
return -EIO;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void usb_mouse_close(struct input_dev *dev)
|
|
{
|
|
struct usb_mouse *mouse = input_get_drvdata(dev);
|
|
|
|
usb_kill_urb(mouse->irq);
|
|
}
|
|
|
|
static int usb_mouse_probe(struct usb_interface *intf, const struct usb_device_id *id)
|
|
{
|
|
struct usb_device *dev = interface_to_usbdev(intf);
|
|
struct usb_host_interface *interface;
|
|
struct usb_endpoint_descriptor *endpoint;
|
|
struct usb_mouse *mouse;
|
|
struct input_dev *input_dev;
|
|
int pipe, maxp;
|
|
int error = -ENOMEM;
|
|
|
|
interface = intf->cur_altsetting;
|
|
|
|
if (interface->desc.bNumEndpoints != 1)
|
|
return -ENODEV;
|
|
|
|
endpoint = &interface->endpoint[0].desc;
|
|
if (!usb_endpoint_is_int_in(endpoint))
|
|
return -ENODEV;
|
|
|
|
pipe = usb_rcvintpipe(dev, endpoint->bEndpointAddress);
|
|
maxp = usb_maxpacket(dev, pipe, usb_pipeout(pipe));
|
|
|
|
mouse = kzalloc(sizeof(struct usb_mouse), GFP_KERNEL);
|
|
input_dev = input_allocate_device();
|
|
if (!mouse || !input_dev)
|
|
goto fail1;
|
|
|
|
mouse->data = usb_alloc_coherent(dev, 8, GFP_ATOMIC, &mouse->data_dma);
|
|
if (!mouse->data)
|
|
goto fail1;
|
|
|
|
mouse->irq = usb_alloc_urb(0, GFP_KERNEL);
|
|
if (!mouse->irq)
|
|
goto fail2;
|
|
|
|
mouse->usbdev = dev;
|
|
mouse->dev = input_dev;
|
|
|
|
if (dev->manufacturer)
|
|
strlcpy(mouse->name, dev->manufacturer, sizeof(mouse->name));
|
|
|
|
if (dev->product) {
|
|
if (dev->manufacturer)
|
|
strlcat(mouse->name, " ", sizeof(mouse->name));
|
|
strlcat(mouse->name, dev->product, sizeof(mouse->name));
|
|
}
|
|
|
|
if (!strlen(mouse->name))
|
|
snprintf(mouse->name, sizeof(mouse->name),
|
|
"USB HIDBP Mouse %04x:%04x",
|
|
le16_to_cpu(dev->descriptor.idVendor),
|
|
le16_to_cpu(dev->descriptor.idProduct));
|
|
|
|
usb_make_path(dev, mouse->phys, sizeof(mouse->phys));
|
|
strlcat(mouse->phys, "/input0", sizeof(mouse->phys));
|
|
|
|
input_dev->name = mouse->name;
|
|
input_dev->phys = mouse->phys;
|
|
usb_to_input_id(dev, &input_dev->id);
|
|
input_dev->dev.parent = &intf->dev;
|
|
|
|
input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REL);
|
|
input_dev->keybit[BIT_WORD(BTN_MOUSE)] = BIT_MASK(BTN_LEFT) |
|
|
BIT_MASK(BTN_RIGHT) | BIT_MASK(BTN_MIDDLE);
|
|
input_dev->relbit[0] = BIT_MASK(REL_X) | BIT_MASK(REL_Y);
|
|
input_dev->keybit[BIT_WORD(BTN_MOUSE)] |= BIT_MASK(BTN_SIDE) |
|
|
BIT_MASK(BTN_EXTRA);
|
|
input_dev->relbit[0] |= BIT_MASK(REL_WHEEL);
|
|
|
|
input_set_drvdata(input_dev, mouse);
|
|
|
|
input_dev->open = usb_mouse_open;
|
|
input_dev->close = usb_mouse_close;
|
|
|
|
usb_fill_int_urb(mouse->irq, dev, pipe, mouse->data,
|
|
(maxp > 8 ? 8 : maxp),
|
|
usb_mouse_irq, mouse, endpoint->bInterval);
|
|
mouse->irq->transfer_dma = mouse->data_dma;
|
|
mouse->irq->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
|
|
|
|
error = input_register_device(mouse->dev);
|
|
if (error)
|
|
goto fail3;
|
|
|
|
usb_set_intfdata(intf, mouse);
|
|
return 0;
|
|
|
|
fail3:
|
|
usb_free_urb(mouse->irq);
|
|
fail2:
|
|
usb_free_coherent(dev, 8, mouse->data, mouse->data_dma);
|
|
fail1:
|
|
input_free_device(input_dev);
|
|
kfree(mouse);
|
|
return error;
|
|
}
|
|
|
|
static void usb_mouse_disconnect(struct usb_interface *intf)
|
|
{
|
|
struct usb_mouse *mouse = usb_get_intfdata (intf);
|
|
|
|
usb_set_intfdata(intf, NULL);
|
|
if (mouse) {
|
|
usb_kill_urb(mouse->irq);
|
|
input_unregister_device(mouse->dev);
|
|
usb_free_urb(mouse->irq);
|
|
usb_free_coherent(interface_to_usbdev(intf), 8, mouse->data, mouse->data_dma);
|
|
kfree(mouse);
|
|
}
|
|
}
|
|
|
|
static const struct usb_device_id usb_mouse_id_table[] = {
|
|
{ USB_INTERFACE_INFO(USB_INTERFACE_CLASS_HID, USB_INTERFACE_SUBCLASS_BOOT,
|
|
USB_INTERFACE_PROTOCOL_MOUSE) },
|
|
{ } /* Terminating entry */
|
|
};
|
|
|
|
MODULE_DEVICE_TABLE (usb, usb_mouse_id_table);
|
|
|
|
static struct usb_driver usb_mouse_driver = {
|
|
.name = "usbmouse",
|
|
.probe = usb_mouse_probe,
|
|
.disconnect = usb_mouse_disconnect,
|
|
.id_table = usb_mouse_id_table,
|
|
};
|
|
|
|
module_usb_driver(usb_mouse_driver);
|