2 * $Id: usbmouse.c,v 1.15 2001/12/27 10:37:41 vojtech Exp $
4 * Copyright (c) 1999-2001 Vojtech Pavlik
6 * USB HIDBP Mouse support
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
24 * Should you need to contact me, the author, you can do so either by
25 * e-mail - mail your message to <vojtech@ucw.cz>, or by paper mail:
26 * Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic
29 #include <linux/kernel.h>
30 #include <linux/slab.h>
31 #include <linux/input.h>
32 #include <linux/module.h>
33 #include <linux/init.h>
34 #include <linux/usb.h>
39 #define DRIVER_VERSION "v1.6"
40 #define DRIVER_AUTHOR "Vojtech Pavlik <vojtech@ucw.cz>"
41 #define DRIVER_DESC "USB HID Boot Protocol mouse driver"
42 #define DRIVER_LICENSE "GPL"
44 MODULE_AUTHOR(DRIVER_AUTHOR);
45 MODULE_DESCRIPTION(DRIVER_DESC);
46 MODULE_LICENSE(DRIVER_LICENSE);
51 struct usb_device *usbdev;
60 static void usb_mouse_irq(struct urb *urb, struct pt_regs *regs)
62 struct usb_mouse *mouse = urb->context;
63 signed char *data = mouse->data;
64 struct input_dev *dev = &mouse->dev;
67 switch (urb->status) {
70 case -ECONNRESET: /* unlink */
74 /* -EPIPE: should clear the halt */
79 input_regs(dev, regs);
81 input_report_key(dev, BTN_LEFT, data[0] & 0x01);
82 input_report_key(dev, BTN_RIGHT, data[0] & 0x02);
83 input_report_key(dev, BTN_MIDDLE, data[0] & 0x04);
84 input_report_key(dev, BTN_SIDE, data[0] & 0x08);
85 input_report_key(dev, BTN_EXTRA, data[0] & 0x10);
87 input_report_rel(dev, REL_X, data[1]);
88 input_report_rel(dev, REL_Y, data[2]);
89 input_report_rel(dev, REL_WHEEL, data[3]);
93 status = usb_submit_urb (urb, SLAB_ATOMIC);
95 err ("can't resubmit intr, %s-%s/input0, status %d",
96 mouse->usbdev->bus->bus_name,
97 mouse->usbdev->devpath, status);
100 static int usb_mouse_open(struct input_dev *dev)
102 struct usb_mouse *mouse = dev->private;
107 mouse->irq->dev = mouse->usbdev;
108 if (usb_submit_urb(mouse->irq, GFP_KERNEL)) {
116 static void usb_mouse_close(struct input_dev *dev)
118 struct usb_mouse *mouse = dev->private;
121 usb_unlink_urb(mouse->irq);
124 static int usb_mouse_probe(struct usb_interface * intf, const struct usb_device_id * id)
126 struct usb_device * dev = interface_to_usbdev(intf);
127 struct usb_host_interface *interface;
128 struct usb_endpoint_descriptor *endpoint;
129 struct usb_mouse *mouse;
134 interface = intf->cur_altsetting;
136 if (interface->desc.bNumEndpoints != 1)
139 endpoint = &interface->endpoint[0].desc;
140 if (!(endpoint->bEndpointAddress & 0x80))
142 if ((endpoint->bmAttributes & 3) != 3)
145 pipe = usb_rcvintpipe(dev, endpoint->bEndpointAddress);
146 maxp = usb_maxpacket(dev, pipe, usb_pipeout(pipe));
148 if (!(mouse = kmalloc(sizeof(struct usb_mouse), GFP_KERNEL)))
150 memset(mouse, 0, sizeof(struct usb_mouse));
152 mouse->data = usb_buffer_alloc(dev, 8, SLAB_ATOMIC, &mouse->data_dma);
158 mouse->irq = usb_alloc_urb(0, GFP_KERNEL);
160 usb_buffer_free(dev, 8, mouse->data, mouse->data_dma);
167 mouse->dev.evbit[0] = BIT(EV_KEY) | BIT(EV_REL);
168 mouse->dev.keybit[LONG(BTN_MOUSE)] = BIT(BTN_LEFT) | BIT(BTN_RIGHT) | BIT(BTN_MIDDLE);
169 mouse->dev.relbit[0] = BIT(REL_X) | BIT(REL_Y);
170 mouse->dev.keybit[LONG(BTN_MOUSE)] |= BIT(BTN_SIDE) | BIT(BTN_EXTRA);
171 mouse->dev.relbit[0] |= BIT(REL_WHEEL);
173 mouse->dev.private = mouse;
174 mouse->dev.open = usb_mouse_open;
175 mouse->dev.close = usb_mouse_close;
177 usb_make_path(dev, path, 64);
178 sprintf(mouse->phys, "%s/input0", path);
180 mouse->dev.name = mouse->name;
181 mouse->dev.phys = mouse->phys;
182 mouse->dev.id.bustype = BUS_USB;
183 mouse->dev.id.vendor = dev->descriptor.idVendor;
184 mouse->dev.id.product = dev->descriptor.idProduct;
185 mouse->dev.id.version = dev->descriptor.bcdDevice;
186 mouse->dev.dev = &intf->dev;
188 if (!(buf = kmalloc(63, GFP_KERNEL))) {
189 usb_buffer_free(dev, 8, mouse->data, mouse->data_dma);
194 if (dev->descriptor.iManufacturer &&
195 usb_string(dev, dev->descriptor.iManufacturer, buf, 63) > 0)
196 strcat(mouse->name, buf);
197 if (dev->descriptor.iProduct &&
198 usb_string(dev, dev->descriptor.iProduct, buf, 63) > 0)
199 sprintf(mouse->name, "%s %s", mouse->name, buf);
201 if (!strlen(mouse->name))
202 sprintf(mouse->name, "USB HIDBP Mouse %04x:%04x",
203 mouse->dev.id.vendor, mouse->dev.id.product);
207 usb_fill_int_urb(mouse->irq, dev, pipe, mouse->data,
208 (maxp > 8 ? 8 : maxp),
209 usb_mouse_irq, mouse, endpoint->bInterval);
210 mouse->irq->transfer_dma = mouse->data_dma;
211 mouse->irq->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
213 input_register_device(&mouse->dev);
214 printk(KERN_INFO "input: %s on %s\n", mouse->name, path);
216 usb_set_intfdata(intf, mouse);
220 static void usb_mouse_disconnect(struct usb_interface *intf)
222 struct usb_mouse *mouse = usb_get_intfdata (intf);
224 usb_set_intfdata(intf, NULL);
226 usb_unlink_urb(mouse->irq);
227 input_unregister_device(&mouse->dev);
228 usb_free_urb(mouse->irq);
229 usb_buffer_free(interface_to_usbdev(intf), 8, mouse->data, mouse->data_dma);
234 static struct usb_device_id usb_mouse_id_table [] = {
235 { USB_INTERFACE_INFO(3, 1, 2) },
236 { } /* Terminating entry */
239 MODULE_DEVICE_TABLE (usb, usb_mouse_id_table);
241 static struct usb_driver usb_mouse_driver = {
242 .owner = THIS_MODULE,
244 .probe = usb_mouse_probe,
245 .disconnect = usb_mouse_disconnect,
246 .id_table = usb_mouse_id_table,
249 static int __init usb_mouse_init(void)
251 int retval = usb_register(&usb_mouse_driver);
253 info(DRIVER_VERSION ":" DRIVER_DESC);
257 static void __exit usb_mouse_exit(void)
259 usb_deregister(&usb_mouse_driver);
262 module_init(usb_mouse_init);
263 module_exit(usb_mouse_exit);