Release 4.7 drivers/input/joystick/iforce/iforce-usb.c
/*
* Copyright (c) 2000-2002 Vojtech Pavlik <vojtech@ucw.cz>
* Copyright (c) 2001-2002, 2007 Johann Deneux <johann.deneux@gmail.com>
*
* USB/RS232 I-Force joysticks and wheels.
*/
/*
* 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 "iforce.h"
void iforce_usb_xmit(struct iforce *iforce)
{
int n, c;
unsigned long flags;
spin_lock_irqsave(&iforce->xmit_lock, flags);
if (iforce->xmit.head == iforce->xmit.tail) {
clear_bit(IFORCE_XMIT_RUNNING, iforce->xmit_flags);
spin_unlock_irqrestore(&iforce->xmit_lock, flags);
return;
}
((char *)iforce->out->transfer_buffer)[0] = iforce->xmit.buf[iforce->xmit.tail];
XMIT_INC(iforce->xmit.tail, 1);
n = iforce->xmit.buf[iforce->xmit.tail];
XMIT_INC(iforce->xmit.tail, 1);
iforce->out->transfer_buffer_length = n + 1;
iforce->out->dev = iforce->usbdev;
/* Copy rest of data then */
c = CIRC_CNT_TO_END(iforce->xmit.head, iforce->xmit.tail, XMIT_SIZE);
if (n < c) c=n;
memcpy(iforce->out->transfer_buffer + 1,
&iforce->xmit.buf[iforce->xmit.tail],
c);
if (n != c) {
memcpy(iforce->out->transfer_buffer + 1 + c,
&iforce->xmit.buf[0],
n-c);
}
XMIT_INC(iforce->xmit.tail, n);
if ( (n=usb_submit_urb(iforce->out, GFP_ATOMIC)) ) {
clear_bit(IFORCE_XMIT_RUNNING, iforce->xmit_flags);
dev_warn(&iforce->intf->dev, "usb_submit_urb failed %d\n", n);
}
/* The IFORCE_XMIT_RUNNING bit is not cleared here. That's intended.
* As long as the urb completion handler is not called, the transmiting
* is considered to be running */
spin_unlock_irqrestore(&iforce->xmit_lock, flags);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| vojtech pavlik | vojtech pavlik | 286 | 94.08% | 1 | 20.00% |
| johann deneux | johann deneux | 10 | 3.29% | 2 | 40.00% |
| greg kroah-hartman | greg kroah-hartman | 8 | 2.63% | 2 | 40.00% |
| Total | 304 | 100.00% | 5 | 100.00% |
static void iforce_usb_irq(struct urb *urb)
{
struct iforce *iforce = urb->context;
struct device *dev = &iforce->intf->dev;
int status;
switch (urb->status) {
case 0:
/* success */
break;
case -ECONNRESET:
case -ENOENT:
case -ESHUTDOWN:
/* this urb is terminated, clean up */
dev_dbg(dev, "%s - urb shutting down with status: %d\n",
__func__, urb->status);
return;
default:
dev_dbg(dev, "%s - urb has status of: %d\n",
__func__, urb->status);
goto exit;
}
iforce_process_packet(iforce,
(iforce->data[0] << 8) | (urb->actual_length - 1), iforce->data + 1);
exit:
status = usb_submit_urb (urb, GFP_ATOMIC);
if (status)
dev_err(dev, "%s - usb_submit_urb failed with result %d\n",
__func__, status);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| greg kroah-hartman | greg kroah-hartman | 89 | 60.14% | 4 | 66.67% |
| vojtech pavlik | vojtech pavlik | 56 | 37.84% | 1 | 16.67% |
| harvey harrison | harvey harrison | 3 | 2.03% | 1 | 16.67% |
| Total | 148 | 100.00% | 6 | 100.00% |
static void iforce_usb_out(struct urb *urb)
{
struct iforce *iforce = urb->context;
if (urb->status) {
clear_bit(IFORCE_XMIT_RUNNING, iforce->xmit_flags);
dev_dbg(&iforce->intf->dev, "urb->status %d, exiting\n",
urb->status);
return;
}
iforce_usb_xmit(iforce);
wake_up(&iforce->wait);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| vojtech pavlik | vojtech pavlik | 49 | 73.13% | 1 | 25.00% |
| dmitry torokhov | dmitry torokhov | 9 | 13.43% | 1 | 25.00% |
| greg kroah-hartman | greg kroah-hartman | 9 | 13.43% | 2 | 50.00% |
| Total | 67 | 100.00% | 4 | 100.00% |
static void iforce_usb_ctrl(struct urb *urb)
{
struct iforce *iforce = urb->context;
if (urb->status) return;
iforce->ecmd = 0xff00 | urb->actual_length;
wake_up(&iforce->wait);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| vojtech pavlik | vojtech pavlik | 45 | 100.00% | 1 | 100.00% |
| Total | 45 | 100.00% | 1 | 100.00% |
static int iforce_usb_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 *epirq, *epout;
struct iforce *iforce;
int err = -ENOMEM;
interface = intf->cur_altsetting;
epirq = &interface->endpoint[0].desc;
epout = &interface->endpoint[1].desc;
if (!(iforce = kzalloc(sizeof(struct iforce) + 32, GFP_KERNEL)))
goto fail;
if (!(iforce->irq = usb_alloc_urb(0, GFP_KERNEL)))
goto fail;
if (!(iforce->out = usb_alloc_urb(0, GFP_KERNEL)))
goto fail;
if (!(iforce->ctrl = usb_alloc_urb(0, GFP_KERNEL)))
goto fail;
iforce->bus = IFORCE_USB;
iforce->usbdev = dev;
iforce->intf = intf;
iforce->cr.bRequestType = USB_TYPE_VENDOR | USB_DIR_IN | USB_RECIP_INTERFACE;
iforce->cr.wIndex = 0;
iforce->cr.wLength = cpu_to_le16(16);
usb_fill_int_urb(iforce->irq, dev, usb_rcvintpipe(dev, epirq->bEndpointAddress),
iforce->data, 16, iforce_usb_irq, iforce, epirq->bInterval);
usb_fill_int_urb(iforce->out, dev, usb_sndintpipe(dev, epout->bEndpointAddress),
iforce + 1, 32, iforce_usb_out, iforce, epout->bInterval);
usb_fill_control_urb(iforce->ctrl, dev, usb_rcvctrlpipe(dev, 0),
(void*) &iforce->cr, iforce->edata, 16, iforce_usb_ctrl, iforce);
err = iforce_init_device(iforce);
if (err)
goto fail;
usb_set_intfdata(intf, iforce);
return 0;
fail:
if (iforce) {
usb_free_urb(iforce->irq);
usb_free_urb(iforce->out);
usb_free_urb(iforce->ctrl);
kfree(iforce);
}
return err;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| vojtech pavlik | vojtech pavlik | 318 | 85.95% | 2 | 22.22% |
| greg kroah-hartman | greg kroah-hartman | 29 | 7.84% | 4 | 44.44% |
| dmitry torokhov | dmitry torokhov | 14 | 3.78% | 1 | 11.11% |
| johann deneux | johann deneux | 6 | 1.62% | 1 | 11.11% |
| al viro | al viro | 3 | 0.81% | 1 | 11.11% |
| Total | 370 | 100.00% | 9 | 100.00% |
static void iforce_usb_disconnect(struct usb_interface *intf)
{
struct iforce *iforce = usb_get_intfdata(intf);
usb_set_intfdata(intf, NULL);
input_unregister_device(iforce->dev);
usb_free_urb(iforce->irq);
usb_free_urb(iforce->out);
usb_free_urb(iforce->ctrl);
kfree(iforce);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| vojtech pavlik | vojtech pavlik | 32 | 52.46% | 1 | 25.00% |
| dmitry torokhov | dmitry torokhov | 15 | 24.59% | 1 | 25.00% |
| greg kroah-hartman | greg kroah-hartman | 14 | 22.95% | 2 | 50.00% |
| Total | 61 | 100.00% | 4 | 100.00% |
static struct usb_device_id iforce_usb_ids [] = {
{ USB_DEVICE(0x044f, 0xa01c) }, /* Thrustmaster Motor Sport GT */
{ USB_DEVICE(0x046d, 0xc281) }, /* Logitech WingMan Force */
{ USB_DEVICE(0x046d, 0xc291) }, /* Logitech WingMan Formula Force */
{ USB_DEVICE(0x05ef, 0x020a) }, /* AVB Top Shot Pegasus */
{ USB_DEVICE(0x05ef, 0x8884) }, /* AVB Mag Turbo Force */
{ USB_DEVICE(0x05ef, 0x8888) }, /* AVB Top Shot FFB Racing Wheel */
{ USB_DEVICE(0x061c, 0xc0a4) }, /* ACT LABS Force RS */
{ USB_DEVICE(0x061c, 0xc084) }, /* ACT LABS Force RS */
{ USB_DEVICE(0x06f8, 0x0001) }, /* Guillemot Race Leader Force Feedback */
{ USB_DEVICE(0x06f8, 0x0003) }, /* Guillemot Jet Leader Force Feedback */
{ USB_DEVICE(0x06f8, 0x0004) }, /* Guillemot Force Feedback Racing Wheel */
{ USB_DEVICE(0x06f8, 0xa302) }, /* Guillemot Jet Leader 3D */
{ } /* Terminating entry */
};
MODULE_DEVICE_TABLE (usb, iforce_usb_ids);
struct usb_driver iforce_usb_driver = {
.name = "iforce",
.probe = iforce_usb_probe,
.disconnect = iforce_usb_disconnect,
.id_table = iforce_usb_ids,
};
Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| vojtech pavlik | vojtech pavlik | 924 | 79.38% | 3 | 13.64% |
| greg kroah-hartman | greg kroah-hartman | 149 | 12.80% | 8 | 36.36% |
| dmitry torokhov | dmitry torokhov | 38 | 3.26% | 3 | 13.64% |
| johann deneux | johann deneux | 16 | 1.37% | 2 | 9.09% |
| marian-nicolae v. ion | marian-nicolae v. ion | 10 | 0.86% | 1 | 4.55% |
| marek vasut | marek vasut | 10 | 0.86% | 1 | 4.55% |
| jiri kosina | jiri kosina | 10 | 0.86% | 1 | 4.55% |
| al viro | al viro | 3 | 0.26% | 1 | 4.55% |
| harvey harrison | harvey harrison | 3 | 0.26% | 1 | 4.55% |
| adrian bunk | adrian bunk | 1 | 0.09% | 1 | 4.55% |
| Total | 1164 | 100.00% | 22 | 100.00% |
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