diff options
Diffstat (limited to 'drivers/input/joystick/iforce/iforce-usb.c')
| -rw-r--r-- | drivers/input/joystick/iforce/iforce-usb.c | 243 |
1 files changed, 243 insertions, 0 deletions
diff --git a/drivers/input/joystick/iforce/iforce-usb.c b/drivers/input/joystick/iforce/iforce-usb.c new file mode 100644 index 000000000000..617c0b0e5a39 --- /dev/null +++ b/drivers/input/joystick/iforce/iforce-usb.c @@ -0,0 +1,243 @@ + /* + * $Id: iforce-usb.c,v 1.16 2002/06/09 11:08:04 jdeneux Exp $ + * + * Copyright (c) 2000-2002 Vojtech Pavlik <vojtech@ucw.cz> + * Copyright (c) 2001-2002 Johann Deneux <deneux@ifrance.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)) ) { + printk(KERN_WARNING "iforce-usb.c: iforce_usb_xmit: 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); +} + +static void iforce_usb_irq(struct urb *urb, struct pt_regs *regs) +{ + struct iforce *iforce = urb->context; + int status; + + switch (urb->status) { + case 0: + /* success */ + break; + 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 - urb has status of: %d", __FUNCTION__, urb->status); + goto exit; + } + + iforce_process_packet(iforce, + (iforce->data[0] << 8) | (urb->actual_length - 1), iforce->data + 1, regs); + +exit: + status = usb_submit_urb (urb, GFP_ATOMIC); + if (status) + err ("%s - usb_submit_urb failed with result %d", + __FUNCTION__, status); +} + +static void iforce_usb_out(struct urb *urb, struct pt_regs *regs) +{ + struct iforce *iforce = urb->context; + + if (urb->status) { + printk(KERN_DEBUG "iforce_usb_out: urb->status %d, exiting", urb->status); + return; + } + + iforce_usb_xmit(iforce); + + wake_up(&iforce->wait); +} + +static void iforce_usb_ctrl(struct urb *urb, struct pt_regs *regs) +{ + struct iforce *iforce = urb->context; + if (urb->status) return; + iforce->ecmd = 0xff00 | urb->actual_length; + wake_up(&iforce->wait); +} + +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; + + interface = intf->cur_altsetting; + + epirq = &interface->endpoint[0].desc; + epout = &interface->endpoint[1].desc; + + if (!(iforce = kmalloc(sizeof(struct iforce) + 32, GFP_KERNEL))) + goto fail; + + memset(iforce, 0, sizeof(struct iforce)); + + 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->cr.bRequestType = USB_TYPE_VENDOR | USB_DIR_IN | USB_RECIP_INTERFACE; + iforce->cr.wIndex = 0; + iforce->cr.wLength = 16; + + usb_fill_int_urb(iforce->irq, dev, usb_rcvintpipe(dev, epirq->bEndpointAddress), + iforce->data, 16, iforce_usb_irq, iforce, epirq->bInterval); + + usb_fill_bulk_urb(iforce->out, dev, usb_sndbulkpipe(dev, epout->bEndpointAddress), + iforce + 1, 32, iforce_usb_out, iforce); + + usb_fill_control_urb(iforce->ctrl, dev, usb_rcvctrlpipe(dev, 0), + (void*) &iforce->cr, iforce->edata, 16, iforce_usb_ctrl, iforce); + + if (iforce_init_device(iforce)) goto fail; + + usb_set_intfdata(intf, iforce); + return 0; + +fail: + if (iforce) { + if (iforce->irq) usb_free_urb(iforce->irq); + if (iforce->out) usb_free_urb(iforce->out); + if (iforce->ctrl) usb_free_urb(iforce->ctrl); + kfree(iforce); + } + + return -ENODEV; +} + +/* Called by iforce_delete() */ +void iforce_usb_delete(struct iforce* iforce) +{ + usb_unlink_urb(iforce->irq); +/* Is it ok to unlink those ? */ + usb_unlink_urb(iforce->out); + usb_unlink_urb(iforce->ctrl); + + usb_free_urb(iforce->irq); + usb_free_urb(iforce->out); + usb_free_urb(iforce->ctrl); +} + +static void iforce_usb_disconnect(struct usb_interface *intf) +{ + struct iforce *iforce = usb_get_intfdata(intf); + int open = 0; /* FIXME! iforce->dev.handle->open; */ + + usb_set_intfdata(intf, NULL); + if (iforce) { + iforce->usbdev = NULL; + input_unregister_device(&iforce->dev); + + if (!open) { + iforce_delete_device(iforce); + kfree(iforce); + } + } +} + +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(0x06f8, 0x0001) }, /* Guillemot Race Leader Force Feedback */ + { USB_DEVICE(0x06f8, 0x0004) }, /* Guillemot Force Feedback Racing Wheel */ + { } /* Terminating entry */ +}; + +MODULE_DEVICE_TABLE (usb, iforce_usb_ids); + +struct usb_driver iforce_usb_driver = { + .owner = THIS_MODULE, + .name = "iforce", + .probe = iforce_usb_probe, + .disconnect = iforce_usb_disconnect, + .id_table = iforce_usb_ids, +}; |