2 * $Id: iforce-usb.c,v 1.16 2002/06/09 11:08:04 jdeneux Exp $
4 * Copyright (c) 2000-2002 Vojtech Pavlik <vojtech@ucw.cz>
5 * Copyright (c) 2001-2002 Johann Deneux <deneux@ifrance.com>
7 * USB/RS232 I-Force joysticks and wheels.
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License as published by
13 * the Free Software Foundation; either version 2 of the License, or
14 * (at your option) any later version.
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU General Public License for more details.
21 * You should have received a copy of the GNU General Public License
22 * along with this program; if not, write to the Free Software
23 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
25 * Should you need to contact me, the author, you can do so either by
26 * e-mail - mail your message to <vojtech@ucw.cz>, or by paper mail:
27 * Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic
32 void iforce_usb_xmit(struct iforce *iforce)
37 spin_lock_irqsave(&iforce->xmit_lock, flags);
39 if (iforce->xmit.head == iforce->xmit.tail) {
40 clear_bit(IFORCE_XMIT_RUNNING, iforce->xmit_flags);
41 spin_unlock_irqrestore(&iforce->xmit_lock, flags);
45 ((char *)iforce->out->transfer_buffer)[0] = iforce->xmit.buf[iforce->xmit.tail];
46 XMIT_INC(iforce->xmit.tail, 1);
47 n = iforce->xmit.buf[iforce->xmit.tail];
48 XMIT_INC(iforce->xmit.tail, 1);
50 iforce->out->transfer_buffer_length = n + 1;
51 iforce->out->dev = iforce->usbdev;
53 /* Copy rest of data then */
54 c = CIRC_CNT_TO_END(iforce->xmit.head, iforce->xmit.tail, XMIT_SIZE);
57 memcpy(iforce->out->transfer_buffer + 1,
58 &iforce->xmit.buf[iforce->xmit.tail],
61 memcpy(iforce->out->transfer_buffer + 1 + c,
65 XMIT_INC(iforce->xmit.tail, n);
67 if ( (n=usb_submit_urb(iforce->out, GFP_ATOMIC)) ) {
68 printk(KERN_WARNING "iforce-usb.c: iforce_usb_xmit: usb_submit_urb failed %d\n", n);
71 /* The IFORCE_XMIT_RUNNING bit is not cleared here. That's intended.
72 * As long as the urb completion handler is not called, the transmiting
73 * is considered to be running */
74 spin_unlock_irqrestore(&iforce->xmit_lock, flags);
77 static void iforce_usb_irq(struct urb *urb, struct pt_regs *regs)
79 struct iforce *iforce = urb->context;
82 switch (urb->status) {
89 /* this urb is terminated, clean up */
90 dbg("%s - urb shutting down with status: %d",
91 __FUNCTION__, urb->status);
94 dbg("%s - urb has status of: %d", __FUNCTION__, urb->status);
98 wake_up(&iforce->wait);
99 iforce_process_packet(iforce,
100 (iforce->data[0] << 8) | (urb->actual_length - 1), iforce->data + 1, regs);
103 status = usb_submit_urb (urb, GFP_ATOMIC);
105 err ("%s - usb_submit_urb failed with result %d",
106 __FUNCTION__, status);
109 static void iforce_usb_out(struct urb *urb, struct pt_regs *regs)
111 struct iforce *iforce = urb->context;
114 printk(KERN_DEBUG "iforce_usb_out: urb->status %d, exiting", urb->status);
118 iforce_usb_xmit(iforce);
120 wake_up(&iforce->wait);
123 static void iforce_usb_ctrl(struct urb *urb, struct pt_regs *regs)
125 struct iforce *iforce = urb->context;
126 if (urb->status) return;
127 iforce->ecmd = 0xff00 | urb->actual_length;
128 wake_up(&iforce->wait);
131 static int iforce_usb_probe(struct usb_interface *intf,
132 const struct usb_device_id *id)
134 struct usb_device *dev = interface_to_usbdev(intf);
135 struct usb_host_interface *interface;
136 struct usb_endpoint_descriptor *epirq, *epout;
137 struct iforce *iforce;
140 interface = intf->cur_altsetting;
142 epirq = &interface->endpoint[0].desc;
143 epout = &interface->endpoint[1].desc;
145 if (!(iforce = kzalloc(sizeof(struct iforce) + 32, GFP_KERNEL)))
148 if (!(iforce->irq = usb_alloc_urb(0, GFP_KERNEL)))
151 if (!(iforce->out = usb_alloc_urb(0, GFP_KERNEL)))
154 if (!(iforce->ctrl = usb_alloc_urb(0, GFP_KERNEL)))
157 iforce->bus = IFORCE_USB;
158 iforce->usbdev = dev;
160 iforce->cr.bRequestType = USB_TYPE_VENDOR | USB_DIR_IN | USB_RECIP_INTERFACE;
161 iforce->cr.wIndex = 0;
162 iforce->cr.wLength = 16;
164 usb_fill_int_urb(iforce->irq, dev, usb_rcvintpipe(dev, epirq->bEndpointAddress),
165 iforce->data, 16, iforce_usb_irq, iforce, epirq->bInterval);
167 usb_fill_bulk_urb(iforce->out, dev, usb_sndbulkpipe(dev, epout->bEndpointAddress),
168 iforce + 1, 32, iforce_usb_out, iforce);
170 usb_fill_control_urb(iforce->ctrl, dev, usb_rcvctrlpipe(dev, 0),
171 (void*) &iforce->cr, iforce->edata, 16, iforce_usb_ctrl, iforce);
173 err = iforce_init_device(iforce);
177 usb_set_intfdata(intf, iforce);
182 if (iforce->irq) usb_free_urb(iforce->irq);
183 if (iforce->out) usb_free_urb(iforce->out);
184 if (iforce->ctrl) usb_free_urb(iforce->ctrl);
191 /* Called by iforce_delete() */
192 void iforce_usb_delete(struct iforce* iforce)
194 usb_unlink_urb(iforce->irq);
195 /* Is it ok to unlink those ? */
196 usb_unlink_urb(iforce->out);
197 usb_unlink_urb(iforce->ctrl);
199 usb_free_urb(iforce->irq);
200 usb_free_urb(iforce->out);
201 usb_free_urb(iforce->ctrl);
204 static void iforce_usb_disconnect(struct usb_interface *intf)
206 struct iforce *iforce = usb_get_intfdata(intf);
207 int open = 0; /* FIXME! iforce->dev.handle->open; */
209 usb_set_intfdata(intf, NULL);
211 iforce->usbdev = NULL;
212 input_unregister_device(iforce->dev);
215 iforce_delete_device(iforce);
221 static struct usb_device_id iforce_usb_ids [] = {
222 { USB_DEVICE(0x044f, 0xa01c) }, /* Thrustmaster Motor Sport GT */
223 { USB_DEVICE(0x046d, 0xc281) }, /* Logitech WingMan Force */
224 { USB_DEVICE(0x046d, 0xc291) }, /* Logitech WingMan Formula Force */
225 { USB_DEVICE(0x05ef, 0x020a) }, /* AVB Top Shot Pegasus */
226 { USB_DEVICE(0x05ef, 0x8884) }, /* AVB Mag Turbo Force */
227 { USB_DEVICE(0x05ef, 0x8888) }, /* AVB Top Shot FFB Racing Wheel */
228 { USB_DEVICE(0x061c, 0xc0a4) }, /* ACT LABS Force RS */
229 { USB_DEVICE(0x06f8, 0x0001) }, /* Guillemot Race Leader Force Feedback */
230 { USB_DEVICE(0x06f8, 0x0004) }, /* Guillemot Force Feedback Racing Wheel */
231 { USB_DEVICE(0x06f8, 0xa302) }, /* Guillemot Jet Leader 3D */
232 { } /* Terminating entry */
235 MODULE_DEVICE_TABLE (usb, iforce_usb_ids);
237 struct usb_driver iforce_usb_driver = {
238 .owner = THIS_MODULE,
240 .probe = iforce_usb_probe,
241 .disconnect = iforce_usb_disconnect,
242 .id_table = iforce_usb_ids,